<unk>  refers to a class of surgery involving rerouting a tubular body part. Types include: * Vascular<unk>  such as coronary artery<unk> , a heart operation * Cardiopulmonary bypass, a technique used in coronary artery<unk>  * Weight loss or Bariatric surgery: * Vertical banded gastroplasty surgery or "stomach stapling", the upper part of the stomach is permanently stapled to create a smaller pouch * Adjustable gastric band or "lap band", a band creates a pocket in the stomach that can be adjusted with a port placed just under the skin * Roux-en-Y gastric<unk> , the small intestine is connected to the upper part of the stomach * Partial ileal<unk> , shortening the final portion of the small intestine * Popliteal<unk> , to treat diseased leg arteries above or below the knee * Jejunojejunostomy, surgery that connects two portions of small intestine and is no longer used * Ileojejunal<unk>  that connects the middle and final portions of the small intestine that was experimental and is no longer used
Bypass surgery
Minimally invasive cardiac surgery
Hybrid cardiac surgery
Totally endoscopic coronary artery bypass surgery
Warren operation
Coronary artery bypass surgery
Hybrid coronary revascularization
Vascular bypass