<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 61-year-old man comes to the physician because of several episodes of dark urine over the past 2 weeks. He does not have dysuria or flank pain. He works in a factory that produces dyes. Since an accident at work 5 years ago, he has had moderate hearing loss bilaterally. He takes no medications. He has smoked a pack of cigarettes daily for 29 years and drinks one alcoholic beverage daily. Vital signs are within normal limits. Physical examination shows no abnormalities. His urine is pink; urinalysis shows 80 RBChpf but no WBCs. Cystoscopy shows a 3-cm mass in the bladder mucosa. The mass is resected. Pathologic examination shows an urothelial carcinoma with penetration into the muscular layer. An x-ray of the chest and a CT scan of the abdomen and pelvis with contrast show a normal upper urinary tract and normal lymph nodes. Which of the following is the most appropriate next step in management?? A: Transurethral resection of tumor with intravesical chemotherapy, B: Radiation therapy, C: Transurethral resection of tumor with intravesical BCG instillation, D: Radical cystectomy, E: Palliative polychemotherapyn,  <response>: This is a patient with gross hematuria and a bladder tumor found on cystoscopy concerning for muscle-invasive urothelial carcinoma. Imaging shows no evidence of metastatic disease. The options include various local therapies like transurethral resection with or without intravesical therapy versus more aggressive surgery with radical cystectomy. Given the stage, radical cystectomy would be the most appropriate next step for definitive treatment and cure.D: Radical cystectomy 