Fig. 2From: Choledochoscopic high-frequency needle-knife electrotomy for treatment of anastomotic strictures after Roux-en-Y hepaticojejunostomyCholedochoscopic high-frequency needle-knife electrotomy was performed for anastomotic strictures: a) The strictured opening is cut gradually under direct vision with no sign of bleeding. b) The fibrous tissue of the anastomosis has been removed and a stone can be seen in intrahepatic bile ductBack to article page