This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid, Subject name: Surgery
[{'content': 'A 50 year old healthy man with a 2 cm Papillary thyroid carcinoma in the right lobe diagnosed on FNAC. What is the recommended treatment ? \nSelect and explain. \nA. Right lobectomy and isthmusectomy, B. Right lobectomy, C. Excisional biopsy with frozen section analysis, D. Total right lobectomy and subtotal left lobectomy', 'role': 'user'}, {'content': "Answer: D \nExplanation: Total thyroidectomy or lobectomy on the affected side with subtotal lobectomy on the nonaffected site is the recommended treatment of choice for unifocal PTC greater than 1 cm in diameter. Definitive operation can be performed without frozen section when the diagnosis is unequivocal on FNAC. Papiloma Carcinoma Surgery Node -ve, <1cm - lobectomy >1 cm - Total thyroidectomy Any evidence of spread - Total thyroidectomy Familial disease - Total thyroidectomy Neck irrad'n in childhood - Total thyroidectomy", 'role': 'assistant'}]