| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Benign neoplasm of main bronchus | Is a | Benign neoplasm of bronchus and lung | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of main bronchus | Is a | Benign neoplasm of bronchus | true | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of main bronchus | Is a | Neoplasm of main bronchus | true | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of main bronchus | Pathological process | Benign neoplastic process | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of main bronchus | Finding site | Lung structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of main bronchus | Finding site | Main bronchus structure | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of main bronchus | Finding site | Bronchial structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of main bronchus | Pathological process | Neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of main bronchus | Is a | Benign neoplasm of thorax | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of main bronchus | Finding site | Mediastinal structure | false | Inferred relationship | Existential restriction modifier | 8 |  | 
| Benign neoplasm of main bronchus | Finding site | Lower respiratory tract structure | false | Inferred relationship | Existential restriction modifier | 8 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm | false | Inferred relationship | Existential restriction modifier | 8 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of main bronchus | Finding site | Bronchial structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of main bronchus | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 2 |  |