| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Excision of tumour of brain meninges | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Focal excision of brain tissue tumour | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of intracranial cavernous haemangioma | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of cranial nerve tumour | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of spinal cord meninges | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of spinal cord tissue | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of spinal nerve root tumour | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of spinal nerve ganglion tumour | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of peripheral neuroma | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Removal of osteoma from external auditory canal | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of right atrial myxoma | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of left atrial myxoma | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of carotid body tumor | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Injection of cystic hygroma | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of glomus tumor in the neck | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of cranial tumour | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of foot, deep, intramuscular | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Direct laryngoscopy with excision of tumor (procedure) | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of cystic hygroma | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Transurethral excision of papilloma of urinary bladder | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of lipoma | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Parathyroid adenoma excision | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Removal of tumor from inferior vena cava | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of retinal neoplasm | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of choroid neoplasm | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Enucleation of islet cell tumour | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of benign neoplasm | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of hand | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of nasal glioma (procedure) | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Transanal submucosal excision of rectal tumor | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Removal of benign tumor from bone | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of ankle area | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of benign tumor of scapula | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of flank | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor from shoulder area, deep, intramuscular | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Enucleation of renal tumour | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of soft tissue of neck, subcutaneous | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Laryngotomy with removal of tumor | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of neck | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of pericardial tumor | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of wrist area | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of ankle area, deep, subfascial | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Hysterectomy for removal of hydatidiform mole (procedure) | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of mediastinal tumor | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor from forearm area, deep, intramuscular | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of finger | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of adenoma of thyroid | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tracheal tumor by thoracic approach | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of lacrimal gland tumor by frontal approach | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor from elbow area, deep, intramuscular | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of neuroma of sympathetic nerve | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of subfascial abdominal wall tumor (procedure) | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of foot | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Bronchoscopy with excision of tumor | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of neurofibroma, extensive | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of bile duct tumor with repair | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of soft tissue of flank | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Uterine myomectomy | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of soft tissue of back | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of ankle area, deep, intramuscular | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of foot, deep, subfascial | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of subcutaneous tumor of extremities | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of subcutaneous tumor of shoulder area | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Resection of external cardiac tumor | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of benign tumor of rectum by transanal approach | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of vaginal tumor | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of soft tissue of thorax, deep, subfascial, intramuscular | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of wrist area, deep, intramuscular | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of aural glomus tumor, extended, extratemporal | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of dermoid cyst of nose, superficial | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of upper arm | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Myomectomy of broad ligament | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of benign tumor of breast | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of aural glomus tumor, transcanal | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor from elbow area, deep, subfascial | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of stomach | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of presacral tumor | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of back | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of lymphangioma | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of aural glomus tumor, transmastoid | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of upper arm, deep, subfascial | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of elbow area | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of upper arm, deep, intramuscular | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor from shoulder area, deep, subfascial | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of dermoid cyst of nose, deep | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor from forearm area, deep, subfascial | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of forearm area | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tracheal tumor by cervical approach | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Radical resection of tumor of soft tissue of shoulder area | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of chemodectoma of pineal gland | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Craniectomy with excision of tumor | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of soft tissue of neck, deep, subfascial, intramuscular | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of intracardiac tumor with cardiopulmonary bypass | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of tumor of wrist area, deep, subfascial | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Lung tumour excision | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Open excision of neoplasm of urinary bladder (procedure) | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of congenital pigmented naevus of head or neck | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of haemangioma | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Excision of malignant neoplasm (procedure) | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Cystoscopy and transurethral resection of neoplasm of urinary bladder (procedure) | Is a | False | Excision of neoplasm (procedure) | Inferred relationship | Some |  | 
| Transurethral excision of neoplasm of urinary bladder | Is a | True | Excision of neoplasm (procedure) | Inferred relationship | Some |  |