Among the 21 candidate lncRNAs, only OTUD6B-AS1 and COL4A2-AS1 had been reported as prognostic factors in BC (Yao et al., 2019; Ma et al., 2020); the rest of lncRNAs were identified as prognostic signatures in BC for the first time. The gene discussed is OTUD6B; the disease is breast cancer.