Additionally, 12-FRLncRNA signature involved with LINC01871, LINC00393, AC121247.2, LINC02384, LIPE-AS1, HSD11B1-AS1, AC010655.2, LINC01419, PTPRD-AS1, AC099329.2, OTUD6B-AS1, and LINC02266 could accurately predict the prognosis of patients with BC, which was confirmed by the training set, validation set, and set from GEO database. Here, PTPRD is linked to breast cancer.