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
Kasai's procedure is the treatment of choice for 
Select and explain. 
A. Congenital hyperophic pylori stenosis, B. Duodenal atresia, C. Biliary atresia, D. Hirschprung's disease
C: Biliary atresia
Answer: C: Biliary atresia 
Explanation: Treatment of Biliary atresia Exploratory laparotomy: If needle biopsy or abdominal ultrasound is consistent with BA Intra operative cholecystocholangiography : To confirm diagnosis, demonstration of fibrotic biliary remnant and definition of absent proximal and distal bile duct patency Treatment of choice : Kasai's hepatopooenterostomy (Roux-en-Y hepaticojejunostomy Ref: Sabiston 20th edition Pgno : 639