| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Thoracic laminectomy | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Scapula excision | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Excision of sweat gland-bearing skin of axilla | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Posterior thoracic corpectomy | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Anterior thoracic corpectomy | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Chest wall resection | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Excision of breast | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Thoracic surgical sympathectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Open excision of lesion of mediastinum | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Block dissection of mediastinal lymph nodes | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Diaphragm excision | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Mitral valvectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Tricuspid valvectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Resection of aortic valve cusp | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Resection of pulmonary valve cusp | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Pulmonary valvectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Division/resection of atrioventricular valve chordae tendinae | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Atrioventricular valvectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Resection of truncal valve cusp | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision operation for arrhythmia | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of ductus arteriosus | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of mediastinal lymph node | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Resection of pulmonary artery | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excisional biopsy of bone of clavicle | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Intercostal neurectomy | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Excision of lesion of axillary fold | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of thoracic intervertebral disc | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Excision of lesion of thorax | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Partial thymectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Costochondrectomy | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Pericardiectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Total thymectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Partial ostectomy of thorax, ribs or sternum | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Excisional biopsy of bone of thorax, ribs or sternum | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Excision of bone of thorax, ribs or sternum for graft | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Radical resection of thoracic structures | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Total claviculectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Infarct myocardiectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Heart aneurysm excision | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Atrial appendage excision | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of lung or bronchus | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Trachea resected and anastomosed | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Total ostectomy of thorax, ribs or sternum | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Pleurectomy | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Thoracoscopic pneumonectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of thoracic artery | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Release of vascular ring of aorta | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Thoracic phlebectomy | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Heart-lung transplant with recipient cardiectomy-pneumonectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of aortic arch | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Resection of descending aorta with anastomosis | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of breast tissue | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of heart valve | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of thoracic varicose vein | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Arteriectomy of thoracic aorta | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of ductus arteriosus | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Ostectomy of rib | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of pectoralis minor | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Total ostectomy of thorax, ribs or sternum | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Excision of meniscus of acromioclavicular joint | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Thymectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Mediastinum excision | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Excision of lump of axilla | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Local excision of lesion or tissue of thorax, ribs or sternum | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of tumour of soft tissue of thorax, deep, subfascial, intramuscular | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of scar of thorax | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of vegetations from ductus arteriosus | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Thoracoscopic lobectomy of lung | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Exploratory thoracic laminectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Partial claviculectomy | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Partial resection of vertebral component, spinous process of thoracic region | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Resection of thoracic artery with replacement | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Lung excision | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Bronchus excision | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Partial excision of vertebra of thoracic region | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Partial lower thoracic corpectomy with decompression of spinal cord, nerve roots and cauda equina by thoracolumbar approach | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Thoracic laminectomy and excision of intradural spinal lesion | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Partial thoracic corpectomy with decompression of spinal cord and nerve roots by transthoracic approach | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Partial thoracic corpectomy with decompression of spinal cord, nerve roots and cauda equina by extracavitary approach | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Resection of clavicle | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Excision of intrathoracic vascular structure | Is a | True | Thorax excision | Inferred relationship | Some |  | 
| Excision of axillary lymph node | Is a | False | Thorax excision | Inferred relationship | Some |  | 
| Segmentectomy of breast | Is a | False | Thorax excision | Inferred relationship | Some |  |