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: Dental
[{'content': 'Which of the following type of malignant melanoma carries the best prognosis? \nSelect and explain. \nA. Lentigo Maligna, B. Lentigo Maligna Melanoma, C. Superficial spreading type, D. Nodular melanoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Lentigo\xa0Maligna has only horizontal spread of Melanoma cells at DEJ and hence carries best prognosis. It is also called as "Melanoma in situ"', 'role': 'assistant'}]