| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Hypoplasia of aortic arch, unspecified | Is a | Thoracic aortic coarctation | false | Inferred relationship | Existential restriction modifier |  |  | 
| Hypoplasia of aortic arch, unspecified | Occurrence | Congenital | false | Inferred relationship | Existential restriction modifier |  |  | 
| Hypoplasia of aortic arch, unspecified | Finding site | Aortic structure | false | Inferred relationship | Existential restriction modifier | 3 |  | 
| Hypoplasia of aortic arch, unspecified | Finding site | Aortic arch structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Hypoplasia of aortic arch, unspecified | Associated morphology | Developmental anomaly | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Hypoplasia of aortic arch, unspecified | Associated morphology | Coarctation | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Hypoplasia of aortic arch, unspecified | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Hypoplasia of aortic arch, unspecified | Finding site | Structure of cardiovascular system subdivision | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Hypoplasia of aortic arch, unspecified | Associated morphology | Congenital anomaly | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Hypoplasia of aortic arch, unspecified | Finding site | Thoracic aorta structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Hypoplasia of aortic arch, unspecified | Finding site | Thoracic aorta structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Hypoplasia of aortic arch, unspecified | Associated morphology | Coarctation | false | Inferred relationship | Existential restriction modifier | 1 |  |