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': 'Most common histological type of the thyroid carcinoma is \nSelect and explain. \nA. Medullary type, B. Follicular type, C. Papillary type, D. Anaplastic type', 'role': 'user'}, {'content': "Answer: C \nExplanation: Papillary thyroid cancer is the most common cancer. Occurs in 70-80% of patients diagnosed with thyroid cancer. Common in females and younger age group. According to Woolner's Classification there are 3 types. 1)Occult primary(less than 1.5cm) 2) Intrathyroidal 3) Extrathyroidal Reference: SRB's Manual of Surgery, 6th Edition, page no = 468.", 'role': 'assistant'}]