| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Branchial cleft, cyst or fistula; preauricular sinus | Is a | Congenital anomaly of neck | false | Inferred relationship | Existential restriction modifier |  |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Is a | Congenital abnormality of external ear | false | Inferred relationship | Existential restriction modifier |  |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Is a | Congenital anomaly of integument | false | Inferred relationship | Existential restriction modifier |  |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Is a | Congenital anomaly of face | false | Inferred relationship | Existential restriction modifier |  |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Occurrence | Congenital | false | Inferred relationship | Existential restriction modifier |  |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Finding site | Skin structure of preauricular region | false | Inferred relationship | Existential restriction modifier |  |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Finding site | Neck structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Is a | Disorder of skin | false | Inferred relationship | Existential restriction modifier |  |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Is a | Disorder of skin AND/OR subcutaneous tissue of head | false | Inferred relationship | Existential restriction modifier |  |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Is a | Disorder of face | false | Inferred relationship | Existential restriction modifier |  |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Is a | Disorder of skin of head | false | Inferred relationship | Existential restriction modifier |  |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Finding site | External ear structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Occurrence | Congenital | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Developmental anomaly | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Finding site | External ear structure | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Occurrence | Congenital | false | Inferred relationship | Existential restriction modifier | 4 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Developmental anomaly | false | Inferred relationship | Existential restriction modifier | 4 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Finding site | Neck structure | false | Inferred relationship | Existential restriction modifier | 4 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Occurrence | Congenital | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Finding site | External ear structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Morphologically abnormal structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Occurrence | Congenital | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Pathological process | Pathological developmental process | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Associated morphology | Morphologically abnormal structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Pathological process | Pathological developmental process | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Finding site | Neck structure | false | Inferred relationship | Existential restriction modifier | 1 |  |