TP53 and breast cancer: In line with the fact that mutations in TP53 are more frequent in basal-like tumours (mainly consisting of the so-called triple-negative cases28) compared to the other breast cancer subtypes11, we found that the levels of both lncRNAs were highest in triple-negative breast cancers (TNBCs) in a TMA including 68 breast cancers (Supplementary Fig. 2h, i).