CCNB1 and esophageal cancer: cyclin B1 overexpression was correlated with worse 5-year OS of lung cancer (OR = 2.60, 95% CI = 1.47 to 4.60, P = 0.0010) (Figure 5A) and esophageal cancer (OR = 5.17, 95% CI = 2.83 to 9.44, P < 0.00001) (Figure 5B).