This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
[{'content': 'Which of the following would be the best treatment for a 2 cm thyroid nodule in a 50 year old man with FNAC revealing it to be a papillary carcinoma \nSelect and explain. \nA. Hemithyroidectomy, B. Subtotal thyroidectomy with modified neck dissection, C. Near total thyroidectomy with central neck dissection, D. Hemithyroidectomy with modified neck dissection', 'role': 'user'}, {'content': 'Answer: C \nExplanation: For a patient with a unilateral thyroid malignancy and no evidence of metastatic disease, there are several rationales to consider total thyroidectomy, including facilitation of RAI ablation, which is much less effective and requires a larger dosage if residual thyroid exists the frequent presence of occult multifocal disease and facilitating the use of Tg as a tumor marker, which is most useful if there is no remaining normal thyroid. In the setting of clinically negative central compament nodes, a prophylactic level VI dissection dissection is more clearly indicated in higher risk situations (age greater than 45 is high risk) Source : Sabiston 20th edition Pg : 907', 'role': 'assistant'}]