| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Malignant tumor of lower buccal sulcus | Is a | Primary malignant neoplasm of vestibule of mouth | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Is a | Primary malignant neoplasm of buccal mucosa | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Is a | Primary malignant neoplasm of jaw | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Is a | Tumor of lower buccal sulcus | true | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Pathological process | Neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Digestive organ structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Ill-defined topographic site | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Structure of buccal mucosa | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Structure of vestibule of mouth | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Jaw region structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Pathological process | Malignant neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm, primary | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Entire mandibular buccal sulcus | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Neoplasm of uncertain behavior | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Mouth region structure | false | Inferred relationship | Existential restriction modifier | 4 |  | 
| Malignant tumor of lower buccal sulcus | Is a | Malignant tumor of digestive organ | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Is a | Malignant tumor of buccal mucosa | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Oral cavity structure | false | Inferred relationship | Existential restriction modifier | 6 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Neoplasm | false | Inferred relationship | Existential restriction modifier | 6 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Neoplasm | false | Inferred relationship | Existential restriction modifier | 5 |  | 
| Malignant tumor of lower buccal sulcus | Is a | Neoplasm of cheek | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Is a | Malignant tumor of vestibule of mouth | true | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Is a | Neoplasm of uncertain behavior of digestive and respiratory systems | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Is a | Disorder of lip | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Entire vestibulogingival sulcus | false | Inferred relationship | Existential restriction modifier | 5 |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Salivary gland structure | false | Inferred relationship | Existential restriction modifier | 6 |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Lip structure | false | Inferred relationship | Existential restriction modifier | 6 |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Structure of vestibule of mouth | false | Inferred relationship | Existential restriction modifier | 5 |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Structure of vestibule of mouth | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Is a | Neoplasm of buccal mucosa | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Upper digestive tract structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of lower buccal sulcus | Finding site | Structure of mandibular buccal sulcus | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm of primary, secondary, or uncertain origin | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Malignant tumor of lower buccal sulcus | Is a | Malignant tumor of soft tissue of head | true | Inferred relationship | Existential restriction modifier |  |  | 
| Malignant tumor of lower buccal sulcus | Associated morphology | Malignant neoplasm | true | Inferred relationship | Existential restriction modifier | 1 |  |