LCoronary Artery Bypass Grafting (CABG, pronounced "cabbage") is a common heart surgery used to treat coronary artery disease by improving blood flow to the heart. Surgeons use healthy blood vessels from other body parts to create a detour around blocked arteries, typically requiring a chest incision and a 3-month recovery. Coronary Artery Bypass Grafting (CABG, pronounced "cabbage") is a common heart surgery used to treat coronary artery disease by improving blood flow to the heart. Surgeons use healthy blood vessels from other body parts to create a detour around blocked arteries, typically requiring a chest incision and a 3-month recovery.