Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2002. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Malignant tumor of Eustachian tube | Is a | True | Tumor of Eustachian tube | Inferred relationship | Some | |
| Benign tumor of Eustachian tube | Is a | False | Tumor of Eustachian tube | Inferred relationship | Some | |
| Benign neoplasm of eustachian tube | Is a | True | Tumor of Eustachian tube | Inferred relationship | Some | |
| Carcinoma in situ of eustachian tube | Is a | True | Tumor of Eustachian tube | Inferred relationship | Some | |
| Primary malignant neoplasm of eustachian tube | Is a | False | Tumor of Eustachian tube | Inferred relationship | Some | |
| Neoplasm of uncertain behavior of eustachian tube | Is a | True | Tumor of Eustachian tube | Inferred relationship | Some | |
| Metastatic malignant neoplasm to eustachian tube | Is a | False | Tumor of Eustachian tube | Inferred relationship | Some | |
| Tumour of opening of auditory tube | Is a | True | Tumor of Eustachian tube | Inferred relationship | Some |
This concept is not in any reference sets