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
The most favoured treatment for pelvic abscess in cul - de - sac is 
Select and explain. 
A. Laprotomy, B. Colpotomy, C. Incision and drainage, D. Antibiotic
B: Colpotomy
Answer: B: Colpotomy 
Explanation: None