CYP4B1 and lung adenocarcinoma: High expression of KRT6A (HR = 1.075, 95% CI = 1.017–1.137) and FAM83A (HR = 2.436, 95% CI = 1.522–3.898) were associated with poor PFI of KIRC, while CYP4B1 (HR = 0.874,95% CI = 0.819–0.934) had the opposite effect on lung adenocarcinoma (Tables 1, 2, 3).