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 of the parotid tumor are managed by - \nSelect and explain. \nA. Total parotidectomy, B. Radical parotidectomy, C. Superficial parotidectomy, D. Radical parotidectomy & Neck dissection', 'role': 'user'}, {'content': 'Answer: C \nExplanation: • In parotid gland: superficial parotidectomy\n• In other salivary glands: excision of the affected gland\n• Surgery\n−− Principal treatment of cancer of salivary glands is surgical excision, used either as a single modality or in most cases, in conjunction with adjuvant radiation therapy.\nParotid malignancies\xa0 \xa0 \xa0 • Superficial parotidectomy\xa0with preservation of facial nerve\n\xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0\xa0 • Total parotidectomy\xa0with nerve preservation if deep lobe is involved\nOther salivary glands\xa0 \xa0 \xa0 \xa0 \xa0 \xa0 \xa0• En-bloc excision\xa0of tumor (involved gland)\n• Neck dissection for lymph nodes: In clinically palpable nodes and High grade malignancies\n• Radiotherapy', 'role': 'assistant'}]