In these 11 cancer types, NPM1 expression is positively correlated with expression of HIF1A (Fig. 6A) but not with EPAS1 (Fig. 6B) which encodes HIF‐2α, in line with our data showing that NPM1 interacts only with the HIF‐1α isoform (Fig. 2D). The gene discussed is NPM1; the disease is cancer.