Cholangio carcinoma of liver caused by: (A) Hepatitis B infection, (B) Cirrhosis of liver, (C) Alpha - feto protein, (D) Clonorchis sinensis infection
Answer is D. risk factor of cholangio carcinoma includes Primary sclerosis cholangitis Fibropolypocystic disease of biliary tree Infestation by Clonorchis sinensis or Opisthorchis viverrini. ROBBINS BASIC PATHOLOGY NIanTH EDITION PAGE 643