- Arm II: Patients receive cisplatin IV over 6-8 hours for 4 consecutive days every 3 weeks for 3 courses. Concurrent radiotherapy is given once daily 5 times a week over the 7 week treatment period. This chemoradiotherapy is followed 3 weeks later by adjuvant chemotherapy. Patients receive cisplatin IV and fluorouracil IV over 6-8 hours for 4 consecutive days every 4 weeks for 3 courses.