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': 'The below skin sign is associated which of the following malignancy \nSelect and explain. \nA. Gastric adenocarcinoma, B. Neuroendrocrine tumour, C. Basal cell cancer, D. Lung cancer', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The above image shows roughening of palms i.e tripe palms associated with underlying lung cancer.', 'role': 'assistant'}]