Which is risk factor for cholangiocarcinoma
Risk factors include primary sclerosing cholangitis Congenital fibropolycystic disease of biliary tree Infestation by Clonorchis sinensis or Opisthorchis viverrini HCV infection Exposure to Thorotrast TEXT BOOK OF ROBBINS BASIC PATHOLOGY NINTH EDITION PAGE.643
Obesity
Primary sclerosing cholangitis
Salmonella carrier state
HBV infection
G.I.T