| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Chest wall, pleura and diaphragm operations | Is a | Chest wall procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Chest wall, pleura and diaphragm operations | Procedure site | Chest wall structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Chest wall, pleura and diaphragm operations | Procedure site | Thoracic cavity structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Chest wall, pleura and diaphragm operations | Is a | Body wall and cavity procedures | true | Inferred relationship | Existential restriction modifier |  |  | 
| Chest wall, pleura and diaphragm operations | Is a | Surgical procedure on chest wall | false | Inferred relationship | Existential restriction modifier |  |  | 
| Chest wall, pleura and diaphragm operations | Method | Surgical action | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Chest wall, pleura and diaphragm operations | Is a | Surgical procedure on thorax | true | Inferred relationship | Existential restriction modifier |  |  | 
| Chest wall, pleura and diaphragm operations | Is a | Chest wall procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Chest wall, pleura and diaphragm operations | Is a | Procedure on body system | false | Inferred relationship | Existential restriction modifier |  |  | 
| Chest wall, pleura and diaphragm operations | Is a | Surgical procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Chest wall, pleura and diaphragm operations | Is a | Procedure on thorax | false | Inferred relationship | Existential restriction modifier |  |  | 
| Chest wall, pleura and diaphragm operations | Procedure site - Direct | Thoracic cavity structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Chest wall, pleura and diaphragm operations | Method | Surgical action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Chest wall, pleura and diaphragm operations | Procedure site | Thoracic structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Chest wall, pleura and diaphragm operations | Procedure site | Thoracic structure | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Thoracic inlet X-ray | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Single anastomosis of mammary artery to left anterior descending coronary artery | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Computed tomography of thoracic inlet | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Magnetic resonance imaging of thoracic inlet | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Double anastomosis of mammary arteries to coronary arteries | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Procedure on diaphragm | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Internal mammary-coronary artery bypass graft | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Thoracotomy for excision of emphysematous bleb of lung | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Exploratory thoracotomy | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Medical procedure on lung | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Major thoracotomy with cardiac massage | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Medical procedure on mediastinum | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Implantation of mammary artery into ventricle | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Major thoracotomy with removal of intrapulmonary foreign body | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Pulmonary artery wedge pressure determination | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Decompression of thoracic outlet by tenotomy | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Angiography of internal mammary artery | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Other specified operations on chest wall, pleura or diaphragm | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Chest wall, pleura and diaphragm operations NOS | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Angiography of intercostal artery | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Other specified operations on chest wall, pleura or diaphragm | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  | 
| Chest wall, pleura and diaphragm operations NOS | Is a | False | Chest wall, pleura and diaphragm operations | Inferred relationship | Existential restriction modifier |  |