Through univariate Cox regression analysis, twenty glycogenes, ALG2, ALG3, B3GNT3, B4GALNT2, C1GALT1C1, CHST10, DPAGT1, FUT11, FUT3, FUT7, GALNT1, GALNT9, HS3ST5, HS6ST2, NDST4, RFNG, SLC35A2, SLC35A3, ST3GAL1, and ST6GALNAC4, were found to be correlated with the OS of breast cancer patients. This evidence concerns the gene HS6ST2 and breast carcinoma.