OPTION II (CONCOMITANT CHEMORADIATION WITH TFHX): Patients receive hydroxyurea PO every 12 hours on days 1-5 for up to 11 doses, fluorouracil IV over 120 hours on days 1-5, paclitaxel IV on day 1, and undergo radiation therapy BID on days 1-5. Treatment repeats every 2 weeks for 5 courses.