PATIENT CHARACTERISTICS: Age: Not specified Performance status: WHO 0-1 Life expectancy: Not specified Hematopoietic: WBC at least 3,500/mm3 Platelet count at least 120,000/mm3 Hepatic: Bilirubin normal SGOT/SGPT normal Renal: GFR at least 50 mL/min Cardiovascular: Normal cardiac function (i.e., no New York Heart Association class II-IV) Other: Normal auditory function No second primary malignant tumor except basal cell carcinoma of the skin Fit for cisplatin containing combination chemotherapy, radical radiotherapy, or cystectomy No active infections Not pregnant or nursing No concurrent illness that significantly affects clinical assessments