| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Femoral lymph node structure | Is a | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier |  | 
| Structure of fibular lymph node | Is a | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier |  | 
| Popliteal lymph node structure | Is a | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier |  | 
| Prefemoral lymph node | Is a | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier |  | 
| Structure of tibial lymph node | Is a | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier |  | 
| Inguinal lymph node structure | Is a | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier |  | 
| Malignant histiocytosis of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Letterer-Siwe disease of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Lower extremity lymphadenopathy | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Neoplasm of lymph node of lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Benign neoplasm of lymph nodes of lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic malignant neoplasm to lymph nodes of lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Reticulosarcoma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Lymphosarcoma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Burkitt lymphoma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's paragranuloma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's granuloma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's sarcoma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's disease, lymphocytic-histiocytic predominance of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's disease, nodular sclerosis of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's disease, mixed cellularity of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's disease, lymphocytic depletion of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Nodular lymphoma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Mycosis fungoides of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Sézary's disease of lymph nodes of inguinal region and lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Leukemic reticuloendotheliosis of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 2 | 
| Acute lymphadenitis of lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary nodes - inguinal/leg | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of superficial inguinal lymph nodes | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of deep inguinal lymph nodes | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of popliteal lymph nodes | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes NOS | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Mast cell malignancy of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Procedure on lymph nodes of lower extremity | Procedure site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Mast cell malignancy of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 2 | 
| Malignant mast cell tumor of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Burkitt's tumor of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 2 | 
| Letterer-Siwe disease of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant lymphoma of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's paragranuloma of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Mycosis fungoides of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Sézary's disease of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Entire lymph node of lower extremity | Is a | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier |  | 
| Hodgkin's granuloma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's disease, nodular sclerosis of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's disease, mixed cellularity of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's sarcoma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Lymphosarcoma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's disease, lymphocytic depletion of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary nodes - inguinal/leg | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's granuloma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's sarcoma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's disease, lymphocytic-histiocytic predominance of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Benign neoplasm of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant mast cell tumor of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's disease, nodular sclerosis of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Reticulosarcoma of lymph nodes of inguinal region and lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's disease, mixed cellularity of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Burkitt lymphoma of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Lymphosarcoma of lymph nodes of inguinal region and lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant lymphoma of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's disease, lymphocytic depletion of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Nodular lymphoma of lymph nodes of inguinal region and lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's paragranuloma of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Burkitt's tumor of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Mast cell malignancy of lymph nodes of inguinal region and lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Leukemic reticuloendotheliosis of lymph nodes of inguinal region and lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 2 | 
| Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of superficial inguinal lymph nodes | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of popliteal lymph nodes | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of deep inguinal lymph nodes | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Acute lymphadenitis of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Letterer-Siwe disease of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes NOS | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Neoplasm of lymph node of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic malignant neoplasm to lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Burkitt's tumor of lymph nodes of inguinal region AND/OR lower limb | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Non-Hodgkin lymphoma of central nervous system metastatic to lymph node of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 2 | 
| Structure of gluteal lymph node | Is a | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier |  | 
| Mycosis fungoides of lower limb lymph node | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 2 | 
| Metastatic adenocarcinoma to lymph node of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic carcinoma to lymph node of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to lymph node of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant histiocytosis of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Burkitt lymphoma of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin disease, nodular sclerosis of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin's paragranuloma of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Letterer-Siwe disease of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin disease, lymphocytic depletion of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin granuloma of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin disease, lymphocytic-histiocytic predominance of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin disease, mixed cellularity of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant mast cell tumor of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Hodgkin disease of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant lymphoma of lymph nodes of lower limb | Finding site | True | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of popliteal lymph nodes | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes NOS | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of superficial inguinal lymph nodes | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary and unspecified malignant neoplasm of deep inguinal lymph nodes | Finding site | False | Lower limb lymph node structure | Inferred relationship | Existential restriction modifier | 1 |