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
Which of the following is not a treatment option for chronic submucosal fibrosis ? 
Select and explain. 
A. Intralesional steroids, B. Anti oxidants, C. Excision, D. Hyluronidase
C: Excision
Answer: C: Excision 
Explanation: Excision is usually not preferred for chronic submucosal fibrosis.