All are risk factors for cholangiocarcinoma Except
Primary sclerosing cholangitis.
Hepatolithiasis
Liver flukes
Primary biliary cirrhosis
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
G.I.T