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': 'Lymphatic spread is most commonly seen with which type of thyroid cancer - \nSelect and explain. \nA. Medullary, B. Papillary, C. Follicular, D. Lymphoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: . Papillary', 'role': 'assistant'}]