<unk>  occurs commonly during laparoscopic cholecystectomy. Reported incidence of 0.1–20%. Majority of stones are asymptomatic. Spilled stones should be retrieved to avoid potential complications including abscess and colovesical fistula.
Patient #1:<unk>  in the right upper quadrant
Pre op CT
Pre op CT
Retained gallstone
Gallbladder sludge
Anomalous pancreaticobiliary junction
Gallbladder volvulus
Gallbladder wall thickening
Gallstone ileus
Xanthogranulomatous cholecystitis
Intrapancreatic accessory spleen