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
Least malignant melanoma is 
Select and explain. 
A. Lentigo maligna, B. Superifcial spreading, C. Nodular, D. Amelanotic
A: Lentigo maligna
Answer: A: Lentigo maligna 
Explanation: None