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: Anatomy
[{'content': 'The most common histologic type of thyroid cancer is \nSelect and explain. \nA. Medullary type, B. Follicular type, C. Papillary type, D. Anaplastic type', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Papillary carcinoma accounts for 80% of all thyroid malignancies in iodine-sufficient areas and is the predominant thyroid cancer in children and individuals exposed to external radiation." The incidence of primary malignant tumours of the thyroid gland Also, remember - Thyroid carcinoma is the most common malignancy of the endocrine system Ref : Schwaz 9/e p1361', 'role': 'assistant'}]