Trastuzumab Terminated Phase 2 Trials for Distal Urethral Cancer / Recurrent Bladder Cancer / Recurrent Urethral Cancer / Recurrent Transitional Cell Cancer of the Renal Pelvis and Ureter / Urethral Cancer Associated With Invasive Bladder Cancer / Transitional Cell Carcinoma of the Bladder / Metastatic Transitional Cell Cancer of the Renal Pelvis and Ureter / Proximal Urethral Cancer / Metastatic Bladder Cancer Treatment