Experimental: Chemotherapy (Ch)+ Radiotherapy (RT)

Induction phase:~Chemotherapy based on carboplatin 6 AUC (area under the curve) + paclitaxel 75 mg/m2 carboplatin 6 AUC 30-minute infusion on D: 1 (maximum carboplatin dose is 700 mg) paclitaxel 75 mg/m2 1-hour infusion on D: 1, 8, 15~Radiotherapy:~D:1 - 2 x 0,5 Gy (first dose up to one hour after the end of the carboplatin infusion, second dose 3 to 6 hours later), D:2 - 2 x 0,5 Gy (interval between doses not less than 3 hours), D:8 and D:15 - 2 x 0,5 Gy (first dose up to one hour after the end of the chemotherapeutic infusion, second dose 3 to 6 hours later).