The <i>Cancers</i> Editorial Office retracts the article, "MicroRNA-21 Plays Multiple Oncometabolic Roles in the Process of NAFLD-Related Hepatocellular Carcinoma via PI3K/AKT, TGF-β, and STAT3 Signaling" [...]. The gene discussed is TGFB1; the disease is hepatocellular carcinoma.