| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Malignant neoplasm of frenulum linguae | Is a | True | Malignant neoplasm of inferior part of oral part of tongue (disorder) | Inferred relationship | Some | |
| Carcinoma ventral surface of tongue | Is a | True | Malignant neoplasm of inferior part of oral part of tongue (disorder) | Inferred relationship | Some | |
| Metastatic carcinoma to ventral surface of tongue | Is a | False | Malignant neoplasm of inferior part of oral part of tongue (disorder) | Inferred relationship | Some | |
| Primary malignant neoplasm of ventral surface of tongue | Is a | True | Malignant neoplasm of inferior part of oral part of tongue (disorder) | Inferred relationship | Some | |
| Metastatic malignant neoplasm to ventral surface of tongue | Is a | True | Malignant neoplasm of inferior part of oral part of tongue (disorder) | Inferred relationship | Some |
This concept is not in any reference sets