Quadrantectomy is a surgical procedure in breast cancer

Breast cancer

Breast cancer is cancer originating from breast tissue, most commonly from the inner lining of milk ducts or the lobules that supply the ducts with milk. Cancers originating from ducts are known as ductal carcinomas; those originating from lobules are known as lobular carcinomas...

surgery in which entire segment of the involved breast is removed along with axillary dissection (done through a separate incision in the axilla, level 1 and 2 removal) and radiotherapy.

There is higher rate of local recurrence after conservative QUART therapy specially in younger patient and in high grade tumours.