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: Skin
[{'content': 'Acanthosis nigricans is indicative of: \nSelect and explain. \nA. Internal malignancy, B. Endocrine disorder, C. Blooms syndrome, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. All', 'role': 'assistant'}]