| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Structure of sternocostal ligament | Is a | True | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier |  | 
| Structure of intraarticular sternocostal ligament | Is a | True | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier |  | 
| Structure of costoxiphoid ligaments | Is a | True | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier |  | 
| Structure of sternal membrane | Is a | True | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier |  | 
| Structure of ligament of sternoclavicular joint | Is a | True | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier |  | 
| Complete tear, sternum ligament | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Open division, sternal ligament | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Sternum sprain | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier |  | 
| Complete tear, sternum ligament NOS | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Open division, sternal ligament NOS | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Sternum sprain unspecified | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Sternum sprain NOS | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Sprain of sternum | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Sprain of chondrosternal joint | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 2 | 
| Sprain of xiphoid cartilage | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 2 | 
| Sprain of sternum | Finding site | True | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Open division, sternal ligament NOS | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Sternum sprain NOS | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Complete tear, sternum ligament NOS | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Sternum sprain unspecified | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Complete tear, sternum ligament | Finding site | True | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Open division, sternal ligament | Finding site | True | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Open division, sternal ligament | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 2 | 
| Entire ligament of sternum | Is a | True | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier |  | 
| Sternum sprain unspecified | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Sternum sprain NOS | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Complete tear, sternum ligament NOS | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 | 
| Open division, sternal ligament NOS | Finding site | False | Structure of ligament of sternum | Inferred relationship | Existential restriction modifier | 1 |