There are fifteen upregulated lncRNAs significantly associated with over survival of BC patients, including FGFR3-AS1, DUXAP8, CRNDE, ZFAS1, NORAD, MALAT1, XIST, CASC8, CCEPR, ZEB1-AS1, ABHD11-AS1, PANDAR, CCAT2, SUMO1P3, and UCA1. This evidence concerns the gene XIST and breast cancer.