This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid Gland, Subject name: Surgery
[{'content': 'Which mets are most common to thyroid? \nSelect and explain. \nA. Lung, B. Breast, C. Brain, D. GIT', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) LungRef: Schwartz 10th edition Page 1543 and 1556Metastasis to thyroid:* MC from Lungs > breastMetastasis from Thyroid:* Papillary cancer: More of Lymphnode metastasis* Follicular and anaplastic cancer: Hematogenous mets to lungs* Medullary cancer: More of Liver metastasis.', 'role': 'assistant'}]