ENT General 039de93a A-30-year old male is having Attic cholesteatoma of left ear with lateral sinus thromboplebitis. Which of the following will be the operation of choice - A Intact canal will be the operation of choice B Simple mastoidectomy with tympanoplasty C Canal wall down mastoidectomy D Mastoididectomy with cavity obliteration High-Yield Explanation No explanation provided.