Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2004. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Primary malignant neoplasm of eustachian tube | Is a | True | Malignant tumor of Eustachian tube | Inferred relationship | Some | |
| Metastatic malignant neoplasm to eustachian tube | Is a | True | Malignant tumor of Eustachian tube | Inferred relationship | Some | |
| Malignant tumor of opening of auditory tube | Is a | True | Malignant tumor of Eustachian tube | Inferred relationship | Some | |
| Malignant neoplasm of auditory tube, middle ear and mastoid air cells | Is a | True | Malignant tumor of Eustachian tube | Inferred relationship | Some |
Reference Sets
Description inactivation indicator reference set