HydronephrosisInfiltrating Bladder Urothelial Carcinoma Sarcomatoid VariantInfiltrating Bladder Urothelial Carcinoma, Micropapillary VariantInfiltrating Bladder Urothelial Carcinoma, Plasmacytoid VariantInfiltrating Renal Pelvis Urothelial Carcinoma, Sarcomatoid VariantRenal Pelvis Urothelial CarcinomaStage II Bladder Urothelial Carcinoma AJCC v6 and v7Stage II Renal Pelvis Cancer AJCC v7Stage II Ureter Cancer AJCC v7Stage II Urethral Cancer AJCC v7Stage III Bladder Urothelial Carcinoma AJCC v6 and v7Stage III Renal Pelvis Cancer AJCC v7Stage III Ureter Cancer AJCC v7Stage III Urethral Cancer AJCC v7Stage IV Renal Pelvis Cancer AJCC v7Stage IV Ureter Cancer AJCC v7Stage IV Urethral Cancer AJCC v7Ureter Urothelial CarcinomaUrethral Urothelial Carcinoma