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
All are true statement about malignant melanoma except - 
Select and explain. 
A. 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
C: Acral lentigenous have better prognosis
Answer: C: Acral lentigenous have better prognosis 
Explanation: None