All are risk factors for cholangiocarcinoma Except: (A) Primary sclerosing cholangitis., (B) Hepatolithiasis, (C) Liver flukes, (D) Primary biliary cirrhosis
Answer is D. Primary biliary cirrhosis has increased the risk of hepatocellular carcinoma.Primary sclerosing cholangitis, Hepatolithiasis, Liver flukes have increased the risk of cholangiocarcinoma.Ref: Robbins Pathology; 9th edition; Page no: 871