Schema and Methods: Eligible patients who have consented will receive two cycles of cisplatin-vinorelbine chemotherapy. Thoracic radiotherapy will be given afterwards according to the dose-escalating scale. Only one dose level will open at one time. Dose level 1: 84. Gy in 35 fractions over 7 wks; Dose level 2: 79.5 Gy in 40 fractions over 6 wks; Dose level 3: 75. Gy in 40 fractions over 5 wks.