<qa>  What is the first time a patient receives fractionation radiotherapy?- Chemoradiotherapy: Beginning within 3-4 weeks after administration of the second course of induction chemotherapy, patients receive accelerated fractionation radiotherapy once daily, 5 days per week, for 6 weeks with concomitant boost radiotherapy once daily, 5 days a week, for the last 2.5 weeks of radiotherapy. Patients also receive concurrent cisplatin IV over 30-60 minutes on days 1 and 22. 