| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Carcinoma of lip, oral cavity and/or pharynx | Is a | Disorder by body site | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Is a | Malignant neoplasm of lip, oral cavity and/or pharynx | true | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Finding site | Lip, oral cavity and pharynx (combined site) | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Finding site | Structure of head and/or neck | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Pathological process | Malignant neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma, no subtype | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Finding site | Structure of head and/or neck | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm of head | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Finding site | Structure of mouth and/or pharynx | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Finding site | Structure of mouth and/or pharynx | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma, no subtype | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm | false | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Is a | Malignant epithelial neoplasm | true | Inferred relationship | Existential restriction modifier |  |  | 
| Carcinoma of lip, oral cavity and/or pharynx | Associated morphology | Carcinoma | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Tonsil carcinoma | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of upper gum | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of lower gum | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of anterior part of floor of mouth | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of lateral part of floor of mouth | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of upper buccal sulcus | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of lower buccal sulcus | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of upper labial sulcus | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of lower labial sulcus | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of retromolar area | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of parotid gland | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of submandibular gland | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of sublingual gland | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of lip | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Tongue carcinoma | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Palate carcinoma | Is a | False | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of frenum linguae | Is a | False | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of lingual tonsil | Is a | False | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of base of tongue | Is a | False | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of midline of tongue | Is a | False | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of anterior two-thirds of tongue - dorsal surface | Is a | False | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Primary malignant epithelial neoplasm of nasopharynx | Is a | False | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Nasopharyngeal carcinoma | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of hard palate | Is a | False | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of soft palate | Is a | True | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma of uvula | Is a | False | Carcinoma of lip, oral cavity and/or pharynx | Inferred relationship | Existential restriction modifier |  |