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: ENT
The treatment of choice for atticoantral variety of chronic suppurative otitis media is - 
Select and explain. 
A. Mastoidectomy, B. Medical management, C. Underlay myringoplasty, D. Insertion of ventilation tube
A: Mastoidectomy
Answer: A: Mastoidectomy 
Explanation: None