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: Surgery
[{'content': 'True about Papillary thyroid carcinoma: \nSelect and explain. \nA. More common in females, B. Lymph node metastasis is common, C. Can metastasize to lungs, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans is A (More common in females), B (Lymph node metastasis is common), C (Can metastasize to lungs) About option C: Schwaz 9/e p1362 writes- "Distant metastases are uncommon at initial presentation, but may ultimately develop in up to 20% of patients. The most common sites are the lungs, followed by bone, liver, and brain."', 'role': 'assistant'}]