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
[{'content': 'Columella effect is seen in: \nSelect and explain. \nA. Tympanoplasty, B. Septoplasty, C. Tracheostomy, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A tympanoplasty As discussed- columella effect is seen in Type III tympanoplasty Type III tympanoplasty is also the M/C type of tympanoplasty performed', 'role': 'assistant'}]