| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm of lip | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm of mouth | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm of pharynx | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Finding site | Jaw region structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Pathological process | Malignant neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Associated morphology | Malignant neoplasm, primary | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Associated morphology | Neoplasm of uncertain behavior | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Finding site | Mouth region structure | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Pathological process | Neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Finding site | Oral cavity structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Finding site | Ill-defined topographic site | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Finding site | Lip structure | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Finding site | Oral mucous membrane structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Finding site | Pharyngeal structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm of face | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Malignant tumor of lip | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Malignant neoplasm of pharynx | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm of lip | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm of respiratory tract | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm of pharynx | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Malignant neoplasm of lip, oral cavity and/or pharynx | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm of head | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Finding site | Structure of mouth and/or pharynx | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Associated morphology | Malignant neoplasm, primary | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Finding site | Structure of mouth and/or pharynx | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Primary malignant neoplasm | false | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Is a | Overlapping malignant neoplasm of lip | true | Inferred relationship | Existential restriction modifier |  |  | 
| Overlapping malignant neoplasm of lip, oral cavity and/or pharynx | Associated morphology | Malignant neoplasm | true | Inferred relationship | Existential restriction modifier | 1 |  |