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
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 
Select and explain. 
A. Intravesical BCG, B. I ntravesci cal chemotherapy, C. Palliative Radiotherapy, D. Radical Cystectomy
D: Radical Cystectomy
Answer: D: Radical Cystectomy 
Explanation: 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