Endoscopic bariatric surgery. Close-up of surgeons using endoscopes to carry out laparoscopic surgery on an obese patient. The endoscopes are inserted through holes in the abdomen to operate on the internal organs such as the stomach and intestines. Examples of such surgery include gastric bypass surgery and gastric band surgery. Bariatrics is the branch of medicine that deals with obesity. Photographed in a UK hospital in 2014.