Concurrent Chemotherapy Concurrent chemotherapy will consist of cisplatin given at 35 mg/m2 weekly for six cycles OR carboplatin given at AUC 1.5 weekly for six cycles. Concurrent chemotherapy will start during the first week of radiation treatment. Selection of either schedule will be left to the discretion of the attending medical oncologist. Concurrent chemotherapy will be held for a platelet count of <100,000 or an absolute neutrophil count of < 1000 per cubic mm.