large gallstone, gall bladder stone. the result of gallstones

abdominal background bile bilirubin biology black bladder calcium calculus carbonic care cholecystectomy cholecystitis cholesterol closeup colic cumulative deposit digestion disease duct ducts education epithelium gall gallbladder gallstone health hospital infection intestine laparoscope large liver medical medicine mix mucus obstruction organ phosphate pigmented removal result size stone surgery thick treatment white worms