This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'A 27-year-old female presented with long-standing nodule in right lobe of size 2 cm x 2 cm and underwent right hemithyroidectomy. Histopathological findings are suggestive of: \nSelect and explain. \nA. Adenomatous goiter, B. Papillary carcinoma, C. Follicular adenoma, D. Graves disease', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. b. Papillary carcinoma', 'role': 'assistant'}]