This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnostic & Operative ENT, Subject name: ENT
Modified radical mastoidectomy is indicated in all except - 
Select and explain. 
A. Safe CSOM, B. Unsafe CSOM with attticoantra! disease, C. Coalescent mastoiditis, D. Limited mastoid pathology
A: Safe CSOM
Answer: A: Safe CSOM 
Explanation: Ans- A in safe tympanoplasty is done