Complications from the biliary tract after liver transplantation develop in 10-20% of cases. These include strictures, the flow of bile, fistula and cholangitis. Strictures of anastomoses due to technical errors, inflammation due to bile flow and fibrosis, and strictures that are not associated with anastomoses, which form above the anastomosis in the direction of the gates of the liver, caused in some cases by ischemia of the ducts can be observed.