OUTLINE: All patients receive four courses of cisplatin on days 1, 8, 15, and 22 concurrent with radiotherapy. One course of chemotherapy consists of intra-arterial cisplatin given over 3-5 minutes. Radiotherapy is given 5 days a week for 7 weeks. This weekly cisplatin chemoradiation course will be repeated 4 times, providing recovery from toxicity is present. Dexamethasone is started the evening prior to cisplatin treatment, and continues until the morning following the procedure.