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': 'Treatment for superficial bladder carcinoma with single papillary lesion is \nSelect and explain. \nA. Transurethral resection, B. Intravesical immunotherapy, C. Radical cystectomy, D. Intravesical Chemotherapy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: For low grade tumor of pTa stage only TUR (Transurethral resection of\nbladder) is done.', 'role': 'assistant'}]