This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Neck), Subject name: Surgery
[{'content': 'A sublingual cancer in a 65 year old tobacco chew er has involved the mandible. The commando surgery has been planned. All of the following in removed in commando operation except - \nSelect and explain. \nA. Involved mandible, B. Oral cancer, C. Accessory nerve, D. Neck lymphnodes', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Accessory nerve Commando operationo Commando operation is done for oral cancers which have involvement of mandibleo It's a composite resection of the# Primary oral cancer,# Involved mandible and# Neck dissection", 'role': 'assistant'}]