| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Malignant neoplasm of lip, unspecified, lipstick area | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of lip, vermilion border NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of fixed part of tongue NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some | 1 | 
| Malignant neoplasm of dorsum of tongue NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of ventral tongue surface NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of anterior 2/3 of tongue unspecified | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other sites of tongue | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of tongue NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other major salivary glands | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of major salivary gland NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other sites of gum | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of gum NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other sites of floor of mouth | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of floor of mouth NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other and unspecified parts of mouth | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of vestibule of mouth NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of palate unspecified | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of palate NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Overlapping lesion of other and unspecified parts of mouth | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified mouth parts | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of mouth NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm tonsil NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of tonsillar fossa NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some | 1 | 
| Malignant neoplasm of anterior epiglottis NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of oropharynx, other specified sites | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified site of oropharynx NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of oropharynx NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of posterior wall of nasopharynx NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of lateral wall of nasopharynx NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of anterior wall of nasopharynx NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified site of nasopharynx | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of nasopharynx NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified hypopharyngeal site | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of hypopharynx NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other and ill-defined sites within the lip, oral cavity and pharynx | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of pharynx unspecified | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other sites of lip, oral cavity and pharynx | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of lip, oral cavity and pharynx NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified part of esophagus | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of cardia of stomach NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of pylorus of stomach NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of lesser curve of stomach unspecified | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of greater curve of stomach unspecified | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified site of stomach | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of anterior wall of stomach NEC | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of posterior wall of stomach NEC | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified site of stomach NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of stomach NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified site of small intestine | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of small intestine NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified sites of colon | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of anus unspecified | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other sites of rectum, rectosigmoid junction and anus | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of rectum, rectosigmoid junction and anus NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Primary malignant neoplasm of liver NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of intrahepatic bile ducts NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of liver unspecified | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of liver and intrahepatic bile ducts NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of extrahepatic bile ducts NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some | 12 | 
| Malignant neoplasm of other gallbladder and extrahepatic bile ducts | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of gallbladder and extrahepatic bile ducts NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified sites of pancreas | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of specified site of pancreas NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of pancreas NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of retroperitoneum NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some | 1 | 
| Malignant neoplasm of specified parts of peritoneum NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of retroperitoneum and peritoneum NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other and ill-defined sites within the digestive organs and peritoneum | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of intestinal tract, part unspecified | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of spleen NEC | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of spleen NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified site of digestive tract and peritoneum | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of digestive tract and peritoneum NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of cartilage of nose | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of nasal cavities NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some | 1 | 
| Malignant neoplasm of auditory tube, middle ear and mastoid air cells NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other sites of nasal cavity, middle ear and accessory sinuses | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of accessory sinus NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of laryngeal cartilage NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of larynx, other specified site | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of larynx NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of trachea NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of main bronchus NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of upper lobe, bronchus or lung NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of middle lobe, bronchus or lung NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of lower lobe, bronchus or lung NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other sites of bronchus or lung | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other specified pleura | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of pleura NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of heart NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some | 1 | 
| Malignant neoplasm of other site of heart, thymus and mediastinum | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of heart, thymus and mediastinum NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other and ill-defined sites within the respiratory and intrathoracic organs | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of upper respiratory tract, part unspecified | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of other site of respiratory tract | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of respiratory tract NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of bones of skull and face NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of vertebral column NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of rib, sternum and clavicle NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of scapula and long bones of upper arm NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  | 
| Malignant neoplasm of hand bones NOS | Pathological process | False | Malignant neoplastic process | Inferred relationship | Some |  |