large gallstone, gall bladder stone. the result of gallstones

background ball bile bilirubin black bladder body calcium calculus carbonic cholecystitis cholesterol colic digestion digestive discomfort disease duct ducts epithelium gall gallbladder gallstone green health healthy infection inflammation intestine laparoscope large liver medicine mix mucus nutrition obstruction open phosphate removal result science size stone stones surgeon surgery system treatment worms