Patient of cellule lung cancer, after art 1 year, spend 6 months after cure, can you do now excuse me preventive change cure? Put cure and change cure which betterer?

• 小细胞型肺癌患者，术后1年，化疗后6个月，请问现在可以做预防性化疗吗？放疗和化疗哪个更好些？