NOTCH1 and breast cancer: MYC (FC = 0.75; 95% CI, 0.52-0.99; P < .001) (eFigure 8A-B in Supplement 1) and NOTCH1 (FC = 0.97; 95% CI, 0.81-1.13; P < .001) (eFigure 8C-D in Supplement 1) were also upregulated in TNBC tumors compared with other breast cancer subtypes.