| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Autopsy examination | Is a | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Histochemical stain with frozen section | Is a | True | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Autopsy review for conference | Is a | True | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Autopsy review, consultation and report | Is a | True | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Autopsy review for teaching | Is a | True | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Amniotic fetal cell study | Is a | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Histology | Is a | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Cell chromosome examination | Is a | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Forensic examination | Is a | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Histology NOS | Is a | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Tumor invades diaphragm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| L1 stage | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Fuhrman nuclear grade finding | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Venous vessels outside tumor indeterminate for tumor involvement | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical lateral (mucosal/mural) margin involved by in situ carcinoma/adenoma | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Biopsy site not applicable | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Visceral pleura invasion by tumor present | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Surgical margin involved by ductal carcinoma in situ | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invades endothoracic fascia | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Fetal anomaly absent in specimen | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor penetrates serosa, perforation absent | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Visceral pleura invasion by tumor absent | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Marked peritumoral lymphocytic response | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Breslow measurement - depth less than 0.76 mm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| VX stage | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Specimen obscured by mucus | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Mild to moderate peritumoral lymphocytic response | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 4 | 
| Satisfactory for evaluation but limited by partially obscuring blood | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical proximal margin involved by lymphoma | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Wrong tissue received | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Presence of fetal tissue in specimen cannot be determined | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Artifact | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical margin uninvolved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical margin involved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Satisfactory for evaluation but limited by partially obscuring inflammation | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Sample exam - general pathol | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Distance of invasive carcinoma from anal verge unknown | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Negative for recurrent tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Lymphoma confined to mucosa AND/OR submucosa | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Surgical margin involved by malignant neoplasm, unifocal | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Pus in stool | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Visceral pleura invasion by tumor indeterminate | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Intactness of mesorectal specimen not applicable | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Renal tumor invasion into adrenal gland macroscopically | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Normal tissue morphology by gross inspection | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Renal tumor extends into major vein (renal vein or vena cava) macroscopically | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Surgical distal margin is closest uninvolved margin to malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invades soft tissue of chest wall | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Tumor invades head and neck | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Distance of adenoma from anal verge unknown | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Integrity of specimen not applicable | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Ureteral surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| V2 stage | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Negative for metastatic tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical renal capsular margin involved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Urinary bladder, ureteral surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical perinephric fat margin involved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Fetal anomaly present in specimen | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Less than 1 mitotic figure per mm2 | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Specimen too thick for optimal interpretation | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Urinary bladder, urachal surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical mucosal margin involvement by tumor cannot be assessed | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Aspirate site not applicable | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| LX stage | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Surgical parenchymal margin involvement by tumor cannot be assessed | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical ductal margin uninvolved by in situ carcinoma | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical Gerota's fascial margin involved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Visceral pleura invasion by tumor not applicable | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Surgical margin involved by malignant neoplasm, extensive | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Urinary bladder, uterine surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Cystic, entirely encapsulated tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Circumscribed tumor border | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Solid, entirely encapsulated tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Adrenal gland not present in specimen | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Urinary bladder, urethral surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical margin involved by ductal carcinoma in situ, multifocal | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invades iris | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Urinary bladder, deep radial surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Urinary bladder, vaginal surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Presence of fetal anomaly in specimen cannot be determined | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical posterior retroperitoneal pancreatic margin involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical proximal margin involvement by tumor cannot be assessed | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical renal vein margin involved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Mitotic activity not applicable | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical ureteral margin involved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical margin involved by malignant neoplasm, multifocal | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| L0 stage | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Surgical lateral margin involvement by melanoma cannot be assessed | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Trophoblast, hysterectomy cervical/vaginal surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Infiltrating tumor border, microscopic | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Surgical margin involved by ductal carcinoma in situ, extensive | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical renal parenchymal margin involved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical margin uninvolved by lymphoma | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical margin involved by ductal carcinoma in situ, unifocal | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Pushing tumor border | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Lung surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Negative for residual tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Finding of vomit odor | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Tumor invasion into muscular wall AND/OR subserosa | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| No peritumoral lymphocytic response | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Venous (large vessel) extramural invasion by tumor present | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 |