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
[{'content': 'Ochsner-Sherren regimen is used for: September 2009, 2010 \nSelect and explain. \nA. Appendicular abscess, B. Pelvic abscess, C. Appendicular mass, D. Acute appendicitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Appendicular mass', 'role': 'assistant'}]