This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary Bladder, Subject name: Surgery
[{'content': 'Treatment of stage I bladder cancer is - \nSelect and explain. \nA. Radical cystectomy, B. Endoscopic removal with intravesical chemotherapy, C. Chemotherapy, D. Radiotherapy', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Endoscopic removal with intravesical chemotherapy Following is the slide of TNM staging of bladder carcinoma:Bladder staging. TNM, tumor, node, metastasis* Stage I bladder carcinomas are typically come under superficial bladder tumors.Following table is a broad guideline for the management of urinary bladder carcinoma:Management of Bladder CancerNature of LesionManagement ApproachSuperficialEndoscopic removal usually with intravesical therapyInvasive diseaseCystectomy + systemic chemotherapy (before or after surgery)Metastatic diseaseCurative or palliative chemotherapy (based on prognostic factors) +- surgery", 'role': 'assistant'}]