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': 'MTC associated with MEN 3 syndrome has \nSelect and explain. \nA. Good prognosis, B. Bad prognosis, C. Late presentation, D. Chromose 11 mutation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: MITC associated with MEN 3 syndrome is very aggressive.\nChromosome 10 ( RET) mutation is present.', 'role': 'assistant'}]