This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid, Subject name: Surgery
[{'content': 'Psammoma bodies may be seen in all of the following, except: \nSelect and explain. \nA. Follicular carcinoma of thyroid, B. Papillary carcinoma of thyroid, C. Meningioma, D. Serous cystadenocarcinoma of ovary', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Psammoma Bodies (PSM) 1. Papillary carcinoma thyroidQ 2. Papillary carcinoma (RCC)Q 3. Serous cystadenomaQ 4. MeningiomaQ', 'role': 'assistant'}]