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: Surgery
[{'content': 'Standard treatment of verrucous carcinoma of lip: \nSelect and explain. \nA. Surgery & radiotherapy, B. Surgical excision, C. Laser therapy, D. Interferon', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The standard treatment of verrucous carcinoma is careful surgical excision.', 'role': 'assistant'}]