Three weeks after completion of treatment, patients undergo cystoscopy and transurethral resection (TUR). Patients with residual tumor or disease progression undergo radical TUR. After surgery, patients who achieve a complete response receive gemcitabine hydrochloride IV twice weekly for 2 weeks and cisplatin IV continuously over 4 days in week 1. Patients also undergo radiotherapy once daily 5 days a week for 2 weeks.