| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| T3c: Renal tumor grossly extends into the vena cava above the diaphragm | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Intergroup rhabdomyosarcoma study post-surgical clinical group cannot be assessed (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pT4b: Tumor of any size with edema (including peau d'orange) or ulceration of the skin of the breast or satellite skin nodules confined to the same breast | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pN3: Metastasis in a lymph node, more than 6 cm in greatest dimension (upper aerodigestive tract) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Stage III: Macroscopic invasion of neighboring organs (thymus gland) (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pN1 (IVA): Pelvic or inguinal lymph node metastasis (pT4) (TNM category and FIGO stage) (vagina) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| T0 category | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Mild to moderate peritumoral lymphocytic response | Interprets | True | Lesion observable | Inferred relationship | Some | 3 | 
| Tumor necrosis cannot be determined (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Node category finding (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| T3 category | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Tumor invasion into lung parenchyma | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| WHO grade II (central nervous system tumor) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Cribriform neoplasm pattern (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pT1: Tumor confined to the nasopharynx (nasopharynx) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Primary site synchronous tumour finding | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Non-invasive (desmoplastic) ovarian tumor omental implants present (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| stade clinique III E | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT4: Tumor invades the scrotum with or without vascular/lymphatic invasion (testis) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| International Federation of Gynecology and Obstetrics vulvar carcinoma (FIGO VC) stage IIIB | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT4 (IVA): Tumor invades mucosa of bladder or rectum and/or extends beyond true pelvis (bullous edema is not sufficient evidence to classify a tumor as pT4) (TNM category and FIGO stage) (uterine cervix) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pNX: Regional lymph nodes cannot be assessed (e.g., previously removed, or not removed for pathologic study) (breast) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT3b: Seminal vesicle invasion (prostate) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Perineural invasion finding (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 3 | 
| Tumor invades lens (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Stage IVa: Pleural or pericardial dissemination (thymus gland) (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pN1b: Metastasis in 4 to 7 regional lymph nodes (esophagus) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Lymphatic (small vessel) intramural invasion by tumor present (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 1 | 
| G1 grade (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pN3: Metastasis in a lymph node, more than 5 cm in greatest dimension (urinary bladder, ureter, renal pelvis) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| International neuroblastoma staging system stage 2B (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Seminal vesicle invasion by tumor absent (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 3 | 
| pM1a (III): Tumor extends to the lungs with or without genital tract involvement (TNM category and FIGO stage) (gestational trophoblast) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| N1: Metastasis to movable ipsilateral axillary lymph node(s) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| stade clinique II E | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| International Federation of Gynecology and Obstetrics endometrial cancer stage IIIB | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Pleural invasion by tumor indeterminate (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 3 | 
| Cancer diagnosis based on metastatic histological evidence (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Specimen involvement by matted nodes absent (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pN1 (IIIC): Regional lymph node metastasis (TNM category and FIGO stage) (corpus uteri) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Depth of invasion by tumor cannot be determined (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 3 | 
| T1: Tumor limited to subglottis | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Tumor penetrates serosa, perforation absent (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 3 | 
| pT1: Tumor 8 cm or less in greatest dimension (bone) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT4a: Tumor invades any of the following: anterior orbital contents, skin of nose or cheek, minimal extension to anterior cranial fossa, pterygoid plates, sphenoid or frontal sinuses (nasal cavity and ethmoid sinus) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| N1 category (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| T1a: Prostate tumor incidental histologic finding in 5 percent or less of tissue resected | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Right regional lymph node metastasis present (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Tumor invades optic nerve anterior to lamina cribrosa (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pT3a,b category | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT3: Tumor invades through the muscularis propria into the subserosa or into the nonperitonealized perimuscular tissue (mesentery or retroperitoneum) with extension 2 cm or less (small intestine) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT4: Tumor with intracranial extension, and/or involvement of cranial nerves, infratemporal fossa, hypopharynx, orbit, or masticator space (nasopharynx) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| T1b: Breast tumor >0.5 cm but <= 1 cm in greatest dimension | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Solitary nodule of lung (finding) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Metastasis stage M2 | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| T3: Ampulla tumor invades 2 cm or less into pancreas | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT4a: Tumor invades through thyroid cartilage and/or invades tissues beyond the larynx (e.g., trachea, soft tissues of the neck including deep intrinsic muscle of the tongue, strap muscles, thyroid, or esophagus) (larynx, glottis) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| T3b: Prostate tumor invades the seminal vesicle(s) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pM1b category | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT4b: Tumor invades any of the following: orbital apex, dura, brain, middle cranial fossa, cranial nerves other than maxillary division of trigeminal nerve, nasopharynx, or clivus (nasal cavity and ethmoid sinus) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Ovarian tumor omental implantation not applicable (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pT2: Tumor more than 8 cm in greatest dimension (bone) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT1: Tumor restricted to any one subsite, with or without bony invasion (nasal cavity and ethmoid sinus) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pTis: Flat carcinoma in situ (urinary bladder, ureter, renal pelvis) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT4b: Tumor invades prevertebral space, encases carotid artery, or invades mediastinal structures (larynx, supraglottis) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Gleason Pattern 2 | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Abnormal density | Interprets | False | Lesion observable | Inferred relationship | Some | 3 | 
| Venous (large vessel) intramural invasion by tumor present (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 1 | 
| grade GX | Interprets | False | Lesion observable | Inferred relationship | Some | 3 | 
| Small intestine TNM finding | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| TX category | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Microcalcifications present in ductal carcinoma in situ (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Lymphoma stage finding (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pT3b category | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Breast TNM finding | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Non-invasive (epithelial) ovarian tumor omental implants absent (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| T1b (IB): Tumor of uterine cervix with clinically visible lesion confined to the cervix or microscopic lesion greater than T1a2/IA2 | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| T2a: Aerodigestive tract tumor without parapharyngeal extension | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| International Federation of Gynecology and Obstetrics endometrial cancer (FIGO EC) stage IIIA | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| N1a: Metastasis in ipsilateral cervical lymph node(s) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT3: Tumor invades beyond muscularis into peripelvic fat or renal parenchyma (renal pelvis) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT3b: Tumor grossly extends into the renal vein or its segmental (muscle-containing) branches, or vena cava below the diaphragm (kidney) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Dukes stage finding (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Intratumoral/peritumoral lymphocytic response marked (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pT2: Tumor more than 2 cm, but not more than 5 cm, in greatest dimension (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| T1c (IC): Tumor limited to one or both tube(s) with extension into or through the tubal serosa; or with malignant cells in ascites or peritoneal washings: FALLOPIAN TUBE: Salpingectomy | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Low grade histologic differentiation (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 3 | 
| M1: Distant metastasis [includes metastasis to ipsilateral supraclavicular lymph nodes] | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| N1bi: Metastasis in 1 to 3 lymph nodes, any > 0.2 cm and all < 2 cm in greatest dimension | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Tumor metastasis to non-regional lymph nodes present (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Lymphoma stage II | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Tumor location after sectioning cannot be determined (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pT1b2 (IB2): Clinically visible lesion more than 4.0 cm in greatest dimension (TNM category and FIGO stage) (uterine cervix) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| pT3: Tumor more than 4 cm in greatest dimension (lip and oral cavity) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Tumor invades anterior chamber of eye (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Cancer diagnosis based on investigations, without a tissue diagnosis (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| pT4a: Tumor invades deep extradermal structures (i.e. cartilage, skeletal muscle, or bone) not more than 6mm in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Interprets | False | Lesion observable | Inferred relationship | Some | 3 | 
| FIGO stage finding for vulvar melanoma | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Dukes stage B (finding) | Interprets | True | Lesion observable | Inferred relationship | Some | 2 | 
| Any T/Any N and M1 (IV): Distant metastasis including presence of malignant cells in pleural fluid or parenchymal hepatic metastasis (TNM category and FIGO stage) (fallopian tube) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 | 
| Tis: Intratubular germ cell neoplasia (carcinoma in situ, testis) | Interprets | False | Lesion observable | Inferred relationship | Some | 2 |