| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Tumor of ear, nose and throat | Is a | True | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Malignant tumor of ear, nose and throat | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Carcinoma in situ of ear, nose and throat | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Benign tumor of ear, nose and throat | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Naso-maxillary dysostosis | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Upper esophageal web | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Carbuncle of nose | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Disorder of oropharynx | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Disorder of vomer | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Anterior nasal diphtheria | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Rhinocerebral mucormycosis | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Malignant neoplasm of turbinate | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Pharyngolaryngitis | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Open traumatic subluxation laryngeal cartilage | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Open division, thyroid region ligament | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Failed or difficult intubation | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Lymphonodular coxsackie pharyngitis | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Pharyngeal candidiasis | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Classical histoplasmosis nasal ulceration | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Frost nip | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Benign neoplasm of nasal cavity and nasopharynx | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Tuberculosis of nasal septum | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Disorder of ear | Is a | True | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Injury of nasal cavity and sinuses | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Nasal infection | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Obstructive apnea of newborn | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Abrasion of nose | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Insect bite of nose | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Human bite of nose | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Crush injury of nose | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Cellulitis of larynx | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Dysphonia of palatopharyngolaryngeal myoclonus | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Furuncle of nasal septum | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Acute lymphangitis of external nose | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Lethal glossopharyngeal defect | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Blister of nose without infection | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Cellulitis of external nose | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Supraglottic airway obstruction | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Nasal hemorrhage | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Sprain of ligament of cricothyroid joint | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Sprain of thyroid cartilage | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Disorder of the larynx | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Nasal encephalocele | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Abrasion and/or friction burn of nose with infection | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Sprain of ligament of cricoarytenoid joint | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Disorder of pharynx | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Oculopharyngeal muscular dystrophy | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Voice disorder due to transsexualism | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Blister of nose with infection | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Acquired pharyngoesophageal diverticulum | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Disorder of the nose | Is a | True | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Retropharyngeal tendinitis | Is a | False | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Disorder of upper respiratory system | Is a | True | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Otorhinolaryngological manifestation co-occurrent and due to cystic fibrosis | Is a | True | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  | 
| Immunoglobulin G4 related eosinophilic angiocentric fibrosis | Is a | True | Ear, nose and throat disorder | Inferred relationship | Existential restriction modifier |  |