- Arm II: Patients receive cisplatin and fluorouracil every 3 weeks for 4 courses. Patients treated on radiotherapy option 1 are evaluated 2 months after completion of radiotherapy; those with a complete remission enter follow-up while all others proceed to surgery. Patients treated on option 2 are evaluated on day 42; those with a partial or complete response complete chemoradiotherapy and are then evaluated and treated like option 1 patients. Patients with stable or progressive disease on day 42 proceed to surgery with or without a third course of chemotherapy on week 7.