The case of a two-year old boy, who underwent split liver transplantation for biliary atresia. Percutaneous transhepatic cholangiography performed three months after transplantation showed intrahepatic biliary tree dilation with stenosis of the hepaticojejunostomy (1). Balloon dilatation was performed and a stent was left in place. Cholangiographic control performed one month later revealed resolution of the stenosis (2).