This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gallbladder Cancer, Subject name: Surgery
CLonarchis sinensis causes - 
Select and explain. 
A. Cholangiocarcinoma, B. CBD adenoma, C. Choledocal cyst, D. HCC
A: Cholangiocarcinoma
Answer: A: Cholangiocarcinoma 
Explanation: Ans. is 'a' i.e., Cholangiocarcinoma o Risk factors for Choangiocarcinoma#Primary sclerosing cholangitis#Choledochal cyst# Ulcerative colitisMnemonic 5 C's# Clonorchis sinensis inf# Chronic typhoid carrierso Other risk factorsHepatolithiasisBiliary enteric anastomosisLiver flukesDietary nitrosaminesExposure to thorotrast, dioxin