H19 and hepatocellular carcinoma: Alteration in its expression was found to be associated with disease‐free survival and outcomes in patients.152, 153, 154 In terms of function, it was reported that H19 was involved in regulating chemoresistance, metastasis, EMT, invasion, migration, and migration of HCC cells.149, 153, 155, 156 Moreover, when expressed, H19 promoted the in vivo tumor growth, whereas its inhibition produced opposite effects.156 Further investigation demonstrated that H19 caused poor prognosis and disease‐free survival when it was elevated in HCC patients.