Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2018. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Malignant tumor of Eustachian tube | Is a | False | Tumour of middle ear and mastoid | Inferred relationship | Some | |
| Malignant tumour of tympanic cavity | Is a | False | Tumour of middle ear and mastoid | Inferred relationship | Some | |
| Benign tumor of tympanic cavity | Is a | False | Tumour of middle ear and mastoid | Inferred relationship | Some | |
| Tumor of tympanic antrum | Is a | True | Tumour of middle ear and mastoid | Inferred relationship | Some | |
| Benign tumour of middle ear and mastoid | Is a | False | Tumour of middle ear and mastoid | Inferred relationship | Some | |
| Malignant tumor of middle ear and mastoid | Is a | True | Tumour of middle ear and mastoid | Inferred relationship | Some | |
| Carcinoma in situ of middle ear and mastoid | Is a | True | Tumour of middle ear and mastoid | Inferred relationship | Some |
This concept is not in any reference sets