A sleeve gastrectomy is a weight loss procedure that removes most of the stomach – reducing the size of the stomach and simultaneously reducing the production of the hunger hormone ghrelin. Presenting Physician Marc Bessler, MDWeight Loss, Minimal Access Other Media by this Physician Duodenal Switch Sleeve Gastrectomy Gastric Bypass Surgery Preparing for Weight Loss Surgery Sleeve Gastrectomy Operation Adjustable Gastric Banding Bariatric Surgery - An Overview