 - Neoadjuvant chemoradiotherapy: Patients receive gefitinib as in the induction phase beginning in week 4 and continuing through the last day of radiotherapy. Patients also receive cisplatin IV over 1 hour and irinotecan hydrochloride IV over 30 minutes on days 22, 29, 43, and 50 and undergo radiotherapy once daily, 5 days a week, for 5 weeks total of 25 doses. 