CCNA2 and non-small cell lung carcinoma: However, in NSCLC tissues, the positive rates of staining were over 60% (positive cases/total cases: CDC6 6/10, CDC20 11/11, KIF11 10/10, CCNA2 10/11, NCAPG 9/10, CDK1 10/12) (Figure 3C; Supplementary Table S6).