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: Surgery
[{'content': 'Most common site of VIIIth cranial nerve schwannoma is: \nSelect and explain. \nA. Intrapetrous, B. Intraparotid, C. Intracanalicular, D. Cisternal', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The most common location of acoustic nerve schwannoma is the internal auditory canal (Intracanalicular). It may then grow back to compress the facial nerve, and then progressively involve the cistern and cerebello-pontine angle.', 'role': 'assistant'}]