This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
False about biliary cystadenoma 
Select and explain. 
A. CT scan is used for diagnosis, B. CA 19-9 is elevated, C. Intra hepatic location, D. Common in males
D: Common in males
Answer: D: Common in males 
Explanation: Biliary cystic adenocarcinoma Incidence : Female : Male is 2:1. It is more common in females Ref: Sabiston 20th edition Pgno :1469