large gallstone, gall bladder stone. the result of gallstones

abdominal background bile bilirubin bladder calcium calculus carbonic cholecystitis cholelithiasis cholesterol colic cumulative danger diet digestion discomfort disease doctor duct ducts education effects epithelium gall gallstone health healthy infection inflammation intestine laparoscope large liver mucus obstruction operation phosphate removal result round salt scientific size solid stone surgery system treatment worms