| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Malignant tumor of tongue | Is a | Malignant neoplastic disease | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Pathological process | Malignant neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of tongue | Is a | Disorder of tongue | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Is a | Malignant tumor of soft tissue | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Is a | Malignant tumor of oral cavity | true | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Finding site | Tongue structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of tongue | Is a | Neoplasm of tongue | true | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of tongue | Is a | Malignant tumor of digestive organ | true | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Is a | Malignant tumor of soft tissue of head | true | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Finding site | Oral cavity structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of tongue | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of tongue | Is a | Tongue finding | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of tongue | Is a | Disorder of soft tissue of body cavity | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Is a | Tumor of oral cavity | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Finding site | Tongue structure | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of tongue | Is a | Lesion of tongue | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of tongue | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of tongue | Finding site | Structure of region of internal part of mouth | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of tongue | Associated morphology | Malignant neoplasm | true | Inferred relationship | Existential restriction modifier | 1 |  |