| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Tumor of ear, nose and throat | Is a | Disorder by body site | false | Inferred relationship | Existential restriction modifier |  |  | 
| Tumor of ear, nose and throat | Is a | Neoplastic disease | false | Inferred relationship | Existential restriction modifier |  |  | 
| Tumor of ear, nose and throat | Finding site | Structure of head and/or neck | false | Inferred relationship | Existential restriction modifier |  |  | 
| Tumor of ear, nose and throat | Associated morphology | Neoplasm | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Tumor of ear, nose and throat | Pathological process | Neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Tumor of ear, nose and throat | Is a | Ear, nose and throat disorder | true | Inferred relationship | Existential restriction modifier |  |  | 
| Tumor of ear, nose and throat | Is a | Neoplasm of head AND/OR neck | true | Inferred relationship | Existential restriction modifier |  |  | 
| Tumor of ear, nose and throat | Finding site | Anatomical structure | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Tumor of ear, nose and throat | Finding site | Structure of ear, nose, and/or throat | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Tumor of ear, nose and throat | Associated morphology | Neoplasm | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Tumor of ear, nose and throat | Finding site | Structure of ear, nose, and/or throat | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Tumor of external ear | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of nose | Is a | True | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of nasal cavity | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of cartilage of nose | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of larynx | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of middle ear | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of uncertain behavior of pharynx | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Tumor of nasal cavity and nasopharynx | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of bony and cartilaginous nasal skeleton | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Tumor of middle ear and mastoid | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of skin of nose | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of vomer | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of vestibule of nose | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of nasal concha | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of pharynx | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of hypopharyngeal aspect of interarytenoid fold | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of oropharynx | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of uncertain behavior of lip, oral cavity or pharynx NOS | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Malignant tumor of ear, nose and throat | Is a | True | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of ear, nose and throat | Is a | True | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Benign tumor of ear, nose and throat | Is a | True | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of uncertain behavior of lip, oral cavity and/or pharynx | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of ear | Is a | True | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of uncertain behavior of subglottis | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of uncertain behavior of supraglottis | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of upper respiratory tract | Is a | True | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  | 
| Family history: neoplasm of ears, nose, throat | Associated finding | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier | 1 | 
| Neoplasm of bony and cartilaginous nasal skeleton | Is a | False | Tumor of ear, nose and throat | Inferred relationship | Existential restriction modifier |  |