Updated on November 19, 2024 Anatomy Extrahepatic biliary system Calot’s triangle Locations where stones can be lodged Cholelithiasis Cholelithiasis is the presence of gallstones in the gallbladder. Asymptomatic cholelithias is discovered incidentally on imaging performed for other reasons. Prophylactic cholecystectomy is NOT recommended. The exception is in a calcified “porcelain” gallbladder, which in itself is...