| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Internal fixation of bone of thorax, ribs or sternum | Is a | Procedure on chest wall | false | Inferred relationship | Existential restriction modifier |  |  | 
| Internal fixation of bone of thorax, ribs or sternum | Is a | Operation on trunk | false | Inferred relationship | Existential restriction modifier |  |  | 
| Internal fixation of bone of thorax, ribs or sternum | Is a | Internal skeletal fixation | false | Inferred relationship | Existential restriction modifier |  |  | 
| Internal fixation of bone of thorax, ribs or sternum | Procedure site | Bone structure of thorax | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Access | Open approach - access | false | Inferred relationship | Existential restriction modifier |  |  | 
| Internal fixation of bone of thorax, ribs or sternum | Procedure site | Bone structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Internal fixation of bone of thorax, ribs or sternum | Is a | Surgical procedure on thorax | false | Inferred relationship | Existential restriction modifier |  |  | 
| Internal fixation of bone of thorax, ribs or sternum | Using | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Procedure site | Bone structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Direct device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Procedure site - Indirect | Bone structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Direct morphology | Fracture | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Using device | Orthopedic internal fixation system, device | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Procedure site - Direct | Bone structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Procedure site - Direct | Bone structure of thorax | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Method | Fixation - action | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Internal fixation of bone of thorax, ribs or sternum | Is a | Operation on trunk | false | Inferred relationship | Existential restriction modifier |  |  |