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': "All are true statement about malignant melanoma except - \nSelect and explain. \nA. Clark's classification used for prognosis, B. Women have better prognosis, C. Acral lentigenous have better prognosis, D. Limb perfusion is used for local treatment", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]