- Arm I: Patients undergo radiotherapy daily 5 days a week for 5 weeks. Patients receive fluorouracil IV continuously on days 1-4 and 29-32 and cisplatin IV on days 1 or 2 and 29 or 30 (or a lower dose on days 1-5 and 29-33). Within 4-8 weeks after completion of radio-chemotherapy, patients undergo surgical resection.