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: Surgery
The procedure of choice for elective removal of CBD stones for most patient is 
Select and explain. 
A. Open choledocholithotomy, B. Endoscopic choledocholithotomy, C. Laparoscopic choledocholithotomy, D. Percutaaneous choledocholithotomy
B: Endoscopic choledocholithotomy
Answer: B: Endoscopic choledocholithotomy 
Explanation: The procedure of choice for elective removal of CBD stones is Endoscopic choledocholithotomy.i.e.,endoscopic papillotomy(sphincterotomy)and stone extraction through Dormia basket or balloon catheter.CBD stent is placed in situ.Once the CBD stones are extracted,laparoscopic cholecystectomy is done. Reference:SRB's manual of surgery,5th edition,page no:651.