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
Colopotomy is done to treat - 
Select and explain. 
A. Ischeorectal abscess, B. Pelvic abscess, C. Appendicular abscess, D. Perianal abscess
B: Pelvic abscess
Answer: B: Pelvic abscess 
Explanation: Ans. is 'b' i.e., Pelvic abscess