| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Venous (large vessel) extramural invasion by tumor present | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| No microscopic confirmation - clinically malignant tumor (cancer) | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Sample contaminated | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Venous (large vessel) intramural invasion by tumor present | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Specimen inadequate for hormonal evaluation | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| 1 or more mitotic figure per mm2 | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Arterial (large vessel) invasion by tumor present | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Tissue removed at necropsy | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Fetal tissue absent in specimen | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| No microscopic confirmation - clinically tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Trophoblast, hysterectomy surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Lung, bronchial surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Pulmonary parenchymal invasion by tumor indeterminate | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Less than or equal to 4 mitoses per high power field | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Specimen laterality not specified | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Upper aerodigestive tract surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Finding of odor of specimen | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Tumor grade G0 | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Surgical lateral margin involved by ductal carcinoma in situ | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| V0 stage | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| GX grade | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Lung, vascular surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical pancreatic margin finding | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Finding of turbidity of fluid | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Surgical medial margin involved by ductal carcinoma in situ | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Pathology examination findings present | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Polyp size cannot be determined | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Lung, parenchymal surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical lateral (mucosal/mural) margin involvement by tumor not applicable | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical proximal margin uninvolved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Fetal tissue present in specimen | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| No mitotic activity | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invasion into supraglottis | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Surgical margin involvement by lymphoma cannot be assessed | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Venous (large vessel) invasion by tumor absent | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Arterial (large vessel) invasion by tumor absent | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Venous (large vessel) invasion by tumor indeterminate | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Polyp configuration cannot be determined | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Renal pelvis surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Venous invasion cannot be assessed | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Vascular invasion by tumor, grossly evident | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Renal pelvis, deep radial hilar surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Negative for tumor cells | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tissue surgically removed | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| No evidence of neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical proximal margin involved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Specimen type not specified | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invades anterior chamber of eye | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Surgical spermatic cord margin involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invasion into mediastinal lymph node without extracapsular extension | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Surgical cystic duct margin involved by in situ carcinoma | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical margin involvement by tumor present (breast) | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical superior margin involved by ductal carcinoma in situ | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Urine: red - blood | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Surgical inferior margin involved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid appearance: xanthochromia | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Nuclear pleomorphism: moderate increase in size, etc (score = 2) | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical proximal margin involved by adenoma with high-grade dysplasia | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invades Bruch's membrane | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Arterial (large vessel) invasion by tumor indeterminate | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Surgical superior margin involved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invasion into tunica albuginea | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Finding of urine smell | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Tumor invades cornea | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Surgical distal margin uninvolved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Satisfactory for evaluation but limited by partially obscuring thick areas | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical circumferential margin involvement by tumor not applicable | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invasion into paratesticular structures | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Urine looks clear | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Negative for intraepithelial lesion or malignancy | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invasion into mediastinal lymph node with extracapsular extension | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Cerebrospinal fluid appearance: blood-stained | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Nuclear pleomorphism: small regular nuclei (score=1) | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid appearance clear | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Finding of consistency of specimen | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Satisfactory for evaluation but limited by partially obscuring contaminant | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Deep surgical margin involvement by tumor present | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Specimen obscured by inflammation | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical proximal margin involved by in situ carcinoma | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Prostate surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Ureter, renal pelvis surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invasion into adjacent tissues | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Spatial orientation of specimen unknown | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Venous vessels outside tumor uninvolved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Urine: pale | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Surgical proximal margin uninvolved by in situ carcinoma | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Feces odor finding | Interprets | False | Histopathology test | Inferred relationship | Existential restriction modifier |  | 
| Benign glands at surgical margin | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Nuclear grade finding | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical medial margin involved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical spermatic cord margin uninvolved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Testis surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Prostate, apical surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Tumor invades lens | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Pleural surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Blood/lymphatic vessel invasion by tumor absent (breast) | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 2 | 
| Tumor invasion into bronchus, in situ | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 3 | 
| Surgical parenchymal margin uninvolved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Prostate, urethral surgical margin, involved by tumor | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| Surgical circumferential margin uninvolved by malignant neoplasm | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 | 
| General pathology | Interprets | True | Histopathology test | Inferred relationship | Existential restriction modifier | 1 |