Cell cycle-related genes such as AURKA, AURKB, GTSE1, CCNA2, and MYBL2 were shown to promote tumor progression of LUAD (Musa et al., 2017; Ruan et al., 2017; Galetta and Cortes-Dericks, 2020; Zhang et al., 2021). The gene discussed is CCNA2; the disease is neoplasm.