they consisted of association of congenital dilatation of biliary tree ( 5 cases ) , association of stenosis or obstruction of biliary tree occurring prior to lithiasis ( 4 cases ) , association of anomalous communication between biliary tree ( 1 case ) , presence of serous glands simulating to pancreatic exocrine glands in biliary tree ( 1 case ) , association of non-biliary hepatic cirrhosis ( 4 cases ) , association of chronic ulcerative colitis ( 1 case ) , intrahepatic cholesterol stone ( 2 cases ) and association of granulomatous cholangitis ( 1 case ) .
C0005423
biliary tree
C0008311
cholangitis