This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Plastic Surgery and Skin Lesions, Subject name: Surgery
[{'content': 'Worst prognosis in melanoma is seen in the suptype: \nSelect and explain. \nA. Superficial spreading, B. Nodular melanoma, C. Lentigo maligna melanoma, D. Acral lentiginous.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Types of Malignant Melanoma Superficial spreading : MC type of MM; MC site is Torso Nodular: Most malignant ; MC site is face Lentigo maligna: Least malignant; MC site is Face Acral lentiginous : Least common , worst prognosis . MC site : Sole , under great toe nail', 'role': 'assistant'}]