Fig. 3From: Jaundice caused by protrusion of a hepatic cyst into common bile duct that was resolved by choledochoscopic needle-knife electrotomy: a case reportCholedochoscope examination and treatment: a The bottom of the lump in the ductuli hepaticus communis. b The root of the lump in the left hepatic duct. c and d Choledochoscopic high-frequency needle-knife electrotomy was performed to remove the lump from the rootBack to article page