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': 'A 5cm suspicious looking lesion of oral mucosa should be: \nSelect and explain. \nA. Incised and sent for biopsy, B. Excised and sent for biopsy, C. Irradiated, D. Offered palliative treatment', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]