| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Open fracture pelvis, ischial tuberosity | Is a | True | Open fracture of ischium | Inferred relationship | Some | |
| Open fracture pelvis, ischium | Is a | False | Open fracture of ischium | Inferred relationship | Some |
This concept is not in any reference sets