Most often, gallstones that block the tube leading out of your gallbladder bring about cholecystitis. This results in a bile buildup that can cause inflammation. Other causes of cholecystitis include bile duct variations, tumors, really serious illness and specific infections.   There is a issue with details submitted for this https://www.sgvascularctr.com/treatments-for-gangrene-insights-from-a-vascular-surgeon/