- Arm I: Patients receive gemcitabine IV over 30 minutes on days 1 and 8 and cisplatin IV over 3-6 hours on day 2. Treatment is repeated once 21 days later. Patients undergo high-dose accelerated conformal radiotherapy beginning on week 9 (day 57), 5 days a week, for 24 fractions, using a concurrent boost technique up to 66 Gy.