245301007: Posterior external iliac lymph node group (body structure)

• SNOMED CT Concept\Body structure\Anatomical or acquired body structure (body structure)\Anatomical structure\...
• \Structure of anatomical cluster (body structure)\Structure of anatomical compartment (body structure)\Structure of body cavity and/or content\Intra-abdominopelvic structure\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\...
• \Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body organ structure\Lymphoid organ structure\Structure of lymph node (body structure)\...
• \Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\...
• \Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Lymph node group\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of subdivision of organ system (body structure)\Entire subdivision of organ system (body structure)\Lymphoid system subdivision\Lymph node group\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of hematological system (body structure)\Hematopoietic system structure\Mononuclear phagocyte system structure (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of hematological system (body structure)\Hematopoietic system structure\Mononuclear phagocyte system structure (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of hematological system (body structure)\Hematopoietic system structure\Mononuclear phagocyte system structure (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of hematological system (body structure)\Hematopoietic system structure\Mononuclear phagocyte system structure (body structure)\Structure of lymph node (body structure)\Lymph node group\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of hematological system (body structure)\Hematopoietic system structure\Lymphoid system structure\Lymphoid system subdivision\Lymph node group\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of hematological system (body structure)\Hematopoietic system structure\Lymphoid system structure\Lymphoid organ structure\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of hematological system (body structure)\Hematopoietic system structure\Lymphoid system structure\Lymphoid organ structure\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of hematological system (body structure)\Hematopoietic system structure\Lymphoid system structure\Lymphoid organ structure\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of hematological system (body structure)\Hematopoietic system structure\Lymphoid system structure\Lymphoid organ structure\Structure of lymph node (body structure)\Lymph node group\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of lymphoreticular system (body structure)\Structure of lymphatic tissue (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of lymphoreticular system (body structure)\Structure of lymphatic tissue (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of lymphoreticular system (body structure)\Structure of lymphatic tissue (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of lymphoreticular system (body structure)\Structure of lymphatic tissue (body structure)\Structure of lymph node (body structure)\Lymph node group\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of immune system (body structure)\Mononuclear phagocyte system structure (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of immune system (body structure)\Mononuclear phagocyte system structure (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of immune system (body structure)\Mononuclear phagocyte system structure (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of immune system (body structure)\Mononuclear phagocyte system structure (body structure)\Structure of lymph node (body structure)\Lymph node group\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of immune system (body structure)\Lymphoid system structure\Lymphoid system subdivision\Lymph node group\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of immune system (body structure)\Lymphoid system structure\Lymphoid organ structure\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of immune system (body structure)\Lymphoid system structure\Lymphoid organ structure\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of immune system (body structure)\Lymphoid system structure\Lymphoid organ structure\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of immune system (body structure)\Lymphoid system structure\Lymphoid organ structure\Structure of lymph node (body structure)\Lymph node group\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of lymphatic system (body structure)\Structure of region of lymphatic system (body structure)\Structure of lymphatic system of trunk (body structure)\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of lymphatic system (body structure)\Structure of region of lymphatic system (body structure)\Structure of lymphatic system of trunk (body structure)\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of lymphatic system (body structure)\Structure of region of lymphatic system (body structure)\Structure of lymphatic system of trunk (body structure)\Lymph node structure of trunk\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of lymphatic system (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of lymphatic system (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of lymphatic system (body structure)\Structure of lymph node (body structure)\Regional lymph node structure\Lymph node structure of trunk\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body system structure\Structure of lymphatic system (body structure)\Structure of lymph node (body structure)\Lymph node group\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Intra-abdominopelvic structure\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Intra-abdominopelvic structure\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic cross-sectional segment of trunk (body structure)\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic cross-sectional segment of trunk (body structure)\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic segment of trunk\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Chest and/or abdomen and/or pelvis structure (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic segment of trunk\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Lower body structure\Lower body part structure\Structure of pelvic cross-sectional segment of trunk and/or lower limb (body structure)\Structure of pelvic cross-sectional segment of trunk (body structure)\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Lower body structure\Lower body part structure\Structure of pelvic cross-sectional segment of trunk and/or lower limb (body structure)\Structure of pelvic cross-sectional segment of trunk (body structure)\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Lower body structure\Lower body part structure\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Lower body structure\Lower body part structure\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Lower body structure\Lower body part structure\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Lower body structure\Lower body part structure\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Intra-abdominopelvic structure\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Lower body structure\Lower body part structure\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Intra-abdominopelvic structure\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Lower body structure\Lower body part structure\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic cross-sectional segment of trunk (body structure)\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Lower body structure\Lower body part structure\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic cross-sectional segment of trunk (body structure)\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Lower body structure\Lower body part structure\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic segment of trunk\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Lower body structure\Lower body part structure\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic segment of trunk\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic cross-sectional segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic cross-sectional segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic cross-sectional segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic cross-sectional segment of trunk (body structure)\Abdomen\Intra-abdominopelvic structure\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic cross-sectional segment of trunk (body structure)\Abdomen\Intra-abdominopelvic structure\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of pelvic cross-sectional segment of trunk (body structure)\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic cross-sectional segment of trunk (body structure)\Structure of pelvic cross-sectional segment of trunk (body structure)\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Intra-abdominopelvic structure\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Abdomen\Intra-abdominopelvic structure\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic cross-sectional segment of trunk (body structure)\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic cross-sectional segment of trunk (body structure)\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic segment of trunk\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of subregion of trunk (body structure)\Structure of abdominopelvic segment of trunk (body structure)\Structure of pelvic segment of trunk\Pelvic region\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of lymphatic system of trunk (body structure)\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of lymphatic system of trunk (body structure)\Lymph node structure of trunk\Structure of abdominal lymph node\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of lymphatic system of trunk (body structure)\Lymph node structure of trunk\Structure of abdominal lymph node\Structure of colic lymph node\Structure of ileocolic lymph node\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of body cavity and/or content\Intra-abdominopelvic structure\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Pelvic lymph node group\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group
• \Body region structure\Body part structure\Trunk structure\Structure of body cavity and/or content\Intra-abdominopelvic structure\Structure of cavity and/or content of pelvis (body structure)\Pelvic lymph node structure\Structure of iliac lymph node\Iliac lymph node group (body structure)\External iliac lymph node group\Posterior external iliac lymph node group

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core

Descriptions:

Id	Description	Lang	Type	Status	Case?	Module
366744010	Posterior external iliac lymph node group	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
635212018	Posterior external iliac lymph node group (body structure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1223570012	Posterior external iliac nodes	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core

Expanded Value Set

Reference Sets

Lateralizable body structure reference set (foundation metadata concept)

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