Patients with breast cancer of the entire Leong dataset summarized in the SurvExpress database were classified into low-risk and high-risk subgroups according to the median prognostic index determined by Cox regression analysis, and the low-risk subgroup tended to have a higher expression of ADHFE1 than the high-risk subgroup (P = 3.44 × 10−81; Figure 3g). The gene discussed is ADHFE1; the disease is breast cancer.