Analysis of CN data from the TCGA BC cohort (1097 specimens including 110 TNBC specimens) revealed 17 possible SVs within or near the TGFA locus (Fig 4D), which were enriched in TNBC (6/104 in TNBC, 11/976 in non-TNBC, P = 0.0044, Fisher’s exact test). Here, TGFA is linked to breast cancer.