In the AYA GSE96058 cohort, there was no statistical significance in any of the clinical features; breast cancer subtype, Nottingham histological grade, T- and N-categories of American Joint Committee on Cancer staging, whereas GALNT1 expression was significantly associated with worse OS (Table 1; HR = 8.08, 95%CI 2.09–31.3, p = 0.002). This evidence concerns the gene GALNT1 and cancer.