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 70 year old male chronic smoker is having carcinoma in situ of urinary bladder. TUR is done. Now there is a recurrence with the tumour extending into the muscle treatment would be \nSelect and explain. \nA. Intravesical BCG, B. I ntravesci cal chemotherapy, C. Palliative Radiotherapy, D. Radical Cystectomy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer- D. Radical CystectomyTumor extending into muscle is stage T2 - Radical cystectomy is advised.Treatment-T2- T4Radical cystectomyNeoadjuvent chemotherapy followed by radical cytectomyfollowed by adjuvant chemotherapyConcomitant chemotherapy and irradiation', 'role': 'assistant'}]