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
Radical mastoidectomy includes all except - 
Select and explain. 
A. Closure of the auditory tube, B. Ossicles removed, C. Cochlea removed, D. Exteriorisation of mastoid
C: Cochlea removed
Answer: C: Cochlea removed 
Explanation: In radical mastoidectomy, structure of middle ear cleft are removed, not inner ear (e.g. cochlea).