| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Tumor invades optic nerve (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Surgical lateral (mucosal/mural) margin involved by adenoma (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| DCIS nuclear pleomorphism, grade 2: neither nuclear grade 1 nor nuclear grade 3 | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Acellular smear | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Unsatisfactory for evaluation due to poor fixation | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Greater than 20 mitoses per 10 HPF (score = 3) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Renal capsular surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| No tumor invasion of adjacent tissue | Interprets | True | Histopathology test | Inferred relationship | Some | 2 | 
| Margin involvement indeterminate | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Tumor border behavior finding (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Perineural invasion by tumor absent (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Renal vein surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Surgical margin involvement by sarcoma cannot be assessed (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Surgical margin involvement by tumor absent (breast) (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Cervical margins indeterminate for tumor involvement | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Breslow measurement - Invasion 0.76 to 1.5mm from deep border of granular layer | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Tissue specimen ruptured (finding) | Interprets | False | Histopathology test | Inferred relationship | Some |  | 
| Nephrogenic rests absent in specimen (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Histologic features of tumor cannot be determined (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Surgical lateral margin involved by tumor (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Surgical lateral (mucosal/mural) margin involved by in situ carcinoma (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Margins cannot be assessed | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Excision - clear margin | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Small vessel invasion by tumor present (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Specimen involvement by matted nodes absent (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Tumor invades optic nerve at lamina cribrosa (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| DCIS nuclear pleomorphism, grade 3: Markedly pleomorphic nuclei, usually >2.5 RBC diameters, with coarse chromatin and multiple nucleoli | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Surgical circumferential margin is closest uninvolved margin to malignant neoplasm (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Surgical pancreatic duct margin involved by in situ carcinoma (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Satisfactory for evaluation but limited by partially obscuring air drying artifact (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Tumor penetrates serosa, perforation present (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 2 | 
| DCIS nuclear pleomorphism, grade 1: monotonous nuclei, 1.5 - 2.0 RBC diameters, with finely dispersed chromatin and only occasional nucleoli | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Breslow measurement - Invasion > 1.5mm from deep border of granular layer | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Urinary bladder surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Surgical distal margin involved by in situ carcinoma (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Presence of muscularis propria in specimen indeterminate (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Surgical deep margin involved by malignant neoplasm, multifocal (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Gastrointestinal lymphoma surgical margin, involved by tumor (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Extent of surgical margin involvement by ductal carcinoma in situ cannot be assessed (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Macroscopic specimen observation | Interprets | False | Histopathology test | Inferred relationship | Some |  | 
| Ascitic fluid purulent | Interprets | False | Histopathology test | Inferred relationship | Some |  | 
| Surgical spermatic cord margin involvement by tumor cannot be assessed (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Heart surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Pathology examination findings indeterminate (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Thyroid surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| G1: Well differentiated (greater than 95 percent gland forming) (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Tissue specimen fragmented (finding) | Interprets | False | Histopathology test | Inferred relationship | Some |  | 
| Feces: no foreign constituent | Interprets | False | Histopathology test | Inferred relationship | Some |  | 
| Ascitic fluid clear | Interprets | False | Histopathology test | Inferred relationship | Some |  | 
| Rectum, deep surgical margin, multifocal, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Decreased turbidity | Interprets | False | Histopathology test | Inferred relationship | Some |  | 
| Tumor invades iridocorneal angle (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 4 | 
| Proximal renal margin, partial nephrectomy only, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Nottingham Combined Grade I: 3-5 points (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Myometrial invasion by tumor absent (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 2 | 
| Surgical margin uninvolved by ductal carcinoma in situ (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Specimen poorly fixed | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Surgical deep margin involved by malignant neoplasm, focal (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Low grade (well to moderately differentiated) (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Nottingham Combined Grade II: 6-7 points | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Ascitic fluid cloudy | Interprets | False | Histopathology test | Inferred relationship | Some |  | 
| Myometrial invasion by tumor present (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Lymphatic (small vessel) invasion by tumor absent (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Surgical distal margin uninvolved by in situ carcinoma (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Ascitic fluid blood-stained | Interprets | False | Histopathology test | Inferred relationship | Some |  | 
| Large unstained cells | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Nottingham Combined Grade III: 8-9 points | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Large intestine, deep radial surgical margin not involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Tumor size cannot be assessed, specimen fragmented (finding) | Interprets | False | Histopathology test | Inferred relationship | Some |  | 
| Sample unseparated | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Tumor invasion of sclera absent (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Sample separated | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Invasive tumor border | Interprets | True | Histopathology test | Inferred relationship | Some | 2 | 
| Abnormal presence of endometrial cells in specimen from a menopausal woman | Interprets | False | Histopathology test | Inferred relationship | Some | 1 | 
| Abnormal histological finding in specimen from female genital organ | Interprets | False | Histopathology test | Inferred relationship | Some | 1 | 
| Abnormal histological findings in CSF | Interprets | False | Histopathology test | Inferred relationship | Some | 1 | 
| Abnormal histological finding in specimen from male genital organ (finding) | Interprets | False | Histopathology test | Inferred relationship | Some | 1 | 
| Abn histological findings in specimens from other organs | Interprets | False | Histopathology test | Inferred relationship | Some | 1 | 
| Normal histology findings | Interprets | False | Histopathology test | Inferred relationship | Some | 1 | 
| Abnormal histological finding in specimen from male genital organ (finding) | Interprets | False | Histopathology test | Inferred relationship | Some | 1 | 
| Invasion of skeletal muscle by carcinoma (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 2 | 
| Invasion of neoplasm to visceral peritoneum (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 2 | 
| Endometrial cells, cytologically benign, in a postmenopausal woman | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Abnormal histological finding in specimen from female genital organ | Interprets | False | Histopathology test | Inferred relationship | Some | 1 | 
| Normal histology findings | Interprets | False | Histopathology test | Inferred relationship | Some | 1 | 
| Abnormal histological findings in CSF | Interprets | False | Histopathology test | Inferred relationship | Some | 1 | 
| Abnormal presence of endometrial cells in specimen from a menopausal woman | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Abnormal histology findings | Interprets | False | Histopathology test | Inferred relationship | Some | 1 | 
| Pseudolipomatosis (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Effect of antiestrogen agent (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Artifact due to smearing (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Specimen satisfactory for evaluation but limited by cellular degeneration (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Artifact due to crushing (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Cellular changes consistent with Cytomegalovirus (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Suture material present (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 2 | 
| Alveolar macrophage not seen (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Insufficient histological evidence from kidney biopsy for diagnosis (finding) | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Biopsy of previous biopsy site shows histological change | Interprets | True | Histopathology test | Inferred relationship | Some | 1 | 
| Invasive malignant tumor of vulva | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Invasive malignant tumor of vagina (disorder) | Interprets | True | Histopathology test | Inferred relationship | Some | 3 | 
| Invasive malignant tumor of uterus | Interprets | True | Histopathology test | Inferred relationship | Some | 3 |