1. An antitumor agent comprising a combination of oxaliplatin, paclitaxel and combination drug containing tegafur, gimeracil and oteracil kaliy.2. The antitumor agent according to claim 1, wherein a combined drug containing tegafur, gimeracil, and oteracil potassium in a molar ratio of tegafur:. Gimeracil: oteracil potassium = 1: 0.4: 1.3. The antitumor agent of claim. 1, which is manufactured as a pharmaceutical form which includes a combined drug containing tegafur, gimeracil and oteracil potassium, preparation containing oxaliplatin, and a preparation comprising paklitaksel.4. The antitumor agent of claim. 3, where a combined drug containing tegafur, gimeracil and oteracil potassium is administered orally and a preparation containing oxaliplatin, and a preparation containing paclitaxel are administered individually, using the route of administration selected from the group consisting of intravenous, intramuscular and subcutaneous vvedenie.5. The antitumor agent of claim. 3, where a combined drug containing tegafur, gimeracil and oteracil potassium, preparation containing oxaliplatin, and a preparation containing paclitaxel are administered simultaneously or through one or more gaps vremeni.6. The antitumor agent according to Claim. 1, wherein oxaliplatin is contained in a daily dose of from 80 to 150 mg / m, paclitaxel is contained in a daily dose of from 50 to 500 mg / m, and a combined drug containing tegafur, gimeracil and oteracil potassium is contained in such daily dose, the amount of tegafur is from 60 to 120 mg / m.7. The antitumor agent of claim. 3, where the pharmaceutical form is paclitaxel n1. Противоопухолевое средство, содержащее комбинацию оксалиплатина, паклитаксела и комбинированного лекарственного средства, содержащего тегафур, гимерацил и отерацил калий.2. Противоопухолевое средство по п. 1, где комбинированное лекарственное средство содержит тегафур, гимерацил и отерацил калий в молярном отношении тегафур:гимерацил:отерацил калий =1:0,4:1.3. П
