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
ERCP is indicated for the following except 
Select and explain. 
A. Distal CBD tumor, B. Hepatic poa tumor, C. Proximal cholangiocarcinoma, D. Gallstone pancreatitis
C: Proximal cholangiocarcinoma
Answer: C: Proximal cholangiocarcinoma 
Explanation: .