A 65-year-old female presenting with hepatobiliary cystadenoma (HC) comprised of multiple cysts in the liver and a non-specific epigastric pain is reported herein. Ultrasound study demonstrated dilated common bile duct (CBD) and intrahepatic bile ducts, plus two spherical stone-like bodies filling defects in the proximal CBD. Sphincterotomy and basket performed for the patient were not success...