This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Operative Surgery, Subject name: ENT
[{'content': 'Weber ferguson approach is used for? \nSelect and explain. \nA. Mastoidectomy, B. Maxillectomy, C. Myringoplasty, D. Mandibulectomy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ANSWER: (B) MaxillectomyREF: Atlas of head & neck surgery - otolaryngology 2nd edition by Byron J. Bailey page 26WEBER FERGUSON APPROACH:This approach involves an extension of the lateral rhinotomy incision that includes the splitting of upperlip.Indications: Exenteration of maxilla for total or subtotal maxillectomy (splitting the upper lip releases the facial flap for adequate lateral retraction and adds transoral exposure of palate and teeth)', 'role': 'assistant'}]