DLEU1 and hepatocellular carcinoma: Accumulating evidence indicated that lncRNAs had crucial roles in occurrence and development of HCC, which is attracting more and more attention to find valuable diagnostic and prognostic biomarkers for HCC.20, 21 In the present study, we found that DLEU1 was significantly up‐regulated in HCC tissues and cell lines, and up‐regulated DLEU1 was closely associated with TNM stage, vascular metastasis and poor overall survival ratio.