This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
True about choledochal cyst is - 
Select and explain. 
A. Always extrahepatic T/t, B. T/t is cystojejunostomy, C. Excision is ideal t/t, D. Drainage is t/t of choice
C: Excision is ideal t/t
Answer: C: Excision is ideal t/t 
Explanation: None