HSPG2 and breast cancer: TNBC with increased SD on PrecontrastT1 showed a 23-fold, 13-fold, sevenfold, fivefold, and fivefold upregulation of CLEC3A, SRGN, HSPG2, KMT2D, and VMP1 respectively, and these genes are associated with poor survival in breast cancer [33–37].