| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Open fracture thoracic vertebra, tricolumnar | Is a | Three column fracture of thoracic vertebra | true | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture thoracic vertebra, tricolumnar | Is a | Open fracture of vertebral column | false | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture thoracic vertebra, tricolumnar | Is a | Open fracture of bones of trunk | false | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture thoracic vertebra, tricolumnar | Finding site | Bone structure of thoracic vertebra | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture thoracic vertebra, tricolumnar | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture thoracic vertebra, tricolumnar | Is a | Open fracture of bones of trunk | false | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture thoracic vertebra, tricolumnar | Is a | Open wound of back | false | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture thoracic vertebra, tricolumnar | Is a | Open fracture thoracic vertebra | true | Inferred relationship | Existential restriction modifier |  |  | 
| Open fracture thoracic vertebra, tricolumnar | Finding site | Bone structure of thoracic vertebra | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture thoracic vertebra, tricolumnar | Associated morphology | Fracture, open | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Open fracture thoracic vertebra, tricolumnar | Due to | Traumatic event | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Open fracture thoracic vertebra, tricolumnar | Associated morphology | Open burst fracture | true | Inferred relationship | Existential restriction modifier | 1 |  |