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 thyroid malignancy is \nSelect and explain. \nA. Anaplastic carcinoma, B. Follicular carcinoma, C. Medullary carcinoma, D. Papillary carcinoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Malignancy Relative incidencePapillary carcinoma 80%Follicular carcinoma 10%Poorly differentiated/anaplastic carcinoma 5%Medullary carcinoma 2.5%Lymphoma 2.5%Ref: Bailey and love, page no: 816', 'role': 'assistant'}]