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': "Cylindroma is: \nSelect and explain. \nA. Appendage tumor, B. Acinic cell carcinoma, C. Pleomorphic adenoma, D. Wahin's tumor", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cylindroma A malignant epithelial tumour also known as Turban tumor Known as cylindroma because of histological appearance', 'role': 'assistant'}]