EGLN1 and cancer: In this study, EGLN1 (Egl-9 family hypoxia inducible factor 1; also known as PHD2) is a risky gene (HR = 1.79, 95% CI: 1.45–2.21) and it is closely related with angiogenesis by regulating the stability of HIF1 in non-CESC cancers (Chan and Giaccia, 2010; Lu et al., 2013).