In addition, in patients with luminal A‐subtype breast cancer (1,933 at‐risk patients), the most common subtype of breast cancer, low expression of FAM189A2 was associated with a reduced RFS time (HR = 0.59, log‐rank P = 4e‐09, FDR = 1%) (Fig 1E). Here, ENTREP1 is linked to breast cancer.