Among these lncRNAs, levels of eight lncRNAs (ARHGAP5‐AS1, LINC00152, C1QTNF1‐AS1, LINC00969, USP27X‐AS1, NDUFB2‐AS1, TEN1‐CDK3 and ABALON) are markedly associated with the prognosis of TCGA liver cancer (LIHC) patients (Table S4). The gene discussed is USP27X; the disease is liver cancer.