This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid Malignancies, Subject name: Surgery
[{'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: Ans. is \'c\' i.e., Papillary type [Ref: Schwartz 9/e p1361 (8/e p1417); Harrison 17/e p.2242 (16/e, p.2122)\\o "Papillary carcinoma accounts for 80% of ail thyroid malignancies in iodine-sufficient areas and is the predominant thyroid cancer in children and individuals exposed to external radiation." - Schwartzo Incidence of primaiy malignant tumors of thyroid gland (Harrison 17/e)Type of thyroid carcinomaApproximate PrevalencePapillary Carcinoma80-90%Follicular Carcinoma5-10%Medullary Carcinoma10%Anaplastic CarcinomaRareLymphomas1-2%o Also remembery Thyroid carcinoma is the most common malignancy of the endocrine system (Ref: Harrison, 17/e, p 2243)', 'role': 'assistant'}]