This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': 'Malignant melanoma most often develops from \nSelect and explain. \nA. Dysplastic naevus, B. Junctional naevus, C. Intradermal naevus, D. Blue naevus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Dysplastic naevus is an irregular proliferation of atypical melanocytes at the basal layer of epidermis Dysplastic naevus has a familial inheritance and carries a 5-10 per cent risk of forming a superficial spreading melanoma. Bailey and Love 26th edition Pg : 591', 'role': 'assistant'}]