A Study to Predict the Conversion of Laparoscopic To Open Cholecystectomy Using Ultrasound Score

II. Natural History: “Most patients with gallstones remain asymptomatic throughout life. Around 3% of asymptomatic individuals become symptomatic per year and develop biliary colic. Once symptomatic they develop recurrent episodes of biliary colic. Only few patients without biliary symptoms develop complications. Prophylactic cholecystectomy for asymptomatic cholelithiasis is rarely indicated. Elderly patients with diabetes mellitus, individuals who will be isolated from medical care for a prolonged period of time, Gall bladder polyp > 1 cm are indications for prophylactic cholecystectomy.