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': 'Which of the following is not a treatment option for chronic submucosal fibrosis ? \nSelect and explain. \nA. Intralesional steroids, B. Anti oxidants, C. Excision, D. Hyluronidase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Excision is usually not preferred for chronic submucosal fibrosis.', 'role': 'assistant'}]