laparoscopic sleeve gastrectomy, vertical gastrectomy, weight loss surgery of stomach reduction surgery

design_01 laparoscopic sleeve gastrectomy vertical weight loss surgery vector stomach reduction gastric anatomy human obesity disease esophageal digest care size gastrointestinal surgical gastroenterology isolated laparoscopy endoscope gastritis clipart drawing icon fat digestive digestion procedure gut body obese anatomical cut bypass operation overweight bariatric organ health medicine medical