Alternate methods of minimally invasive coronary artery bypass surgery have been developed in recent times. Off-pump coronary artery bypass surgery (OPCAB) is a technique of performing bypass surgery without the use of cardiopulmonary bypass (the heart-lung machine). Futher refinements to OPCAB have resulted in Minimally invasive direct coronary artery bypass surgery (MIDCAB) which is a technique of performing bypass surgery through a 5 to 10 cm incision. People with multi-vessel coronary disease and desire a minimally invasive approach to surgery may be eligible for hybrid bypass. A hybrid approach combines coronary bypass (using the MIDCAB approach) and coronary stenting.