Most frequently, gallstones that block the tube leading out of the gallbladder result in cholecystitis. This results in a bile buildup that can cause inflammation. Other causes of cholecystitis involve bile duct alterations, tumors, major disease and certain infections.   There is a trouble with details submitted for this request. https://www.sgvascularctr.com/treatments-for-gangrene-insights-from-a-vascular-surgeon/