the final diagnoses , after surgery , were divided into six groups : stones of the gallbladder and biliary tract , pancreatic cancer , biliary tract neoplasms , ampullary carcinoma , postoperative stenosis of the bile ducts , intrahepatic cholestasis ( biliary cirrhosis , chronic cholangitis ) and other causes of jaundice ( liver tumours , cysts , extended cancer of the upper abdomen ) .
C0005423
biliary tract
C0267918
chronic cholangitis