FoxM1 is known to be a key regulator of transition from G1 to S phase as well as for the progression to mitosis [59]–[60], Members of the FOXM1 family involved in the development and progression of breast, liver, prostate, brain, and lung cancers through their ability in driving cell cycle progression and evasion of growth arrest [61]. The gene discussed is FOXM1; the disease is lung cancer.