Since phospho-Ser/Thr phosphatase cdc25A (CDC25A), cyclin E1 (CCNE1), and Myb-like protein 2 (MYBL2) have been reported as tumour promoters29–31 and are known as cell cycle regulators in NSCLC, we focused on these genes. The gene discussed is CCNE1; the disease is non-small cell lung carcinoma.