MET and hepatocellular carcinoma: Abnormal activation of multiple RTKs, such as vascular endothelial growth factor receptors (VEGFRs), platelet-derived growth factor receptors (PDGFRs), epithelial growth factor receptors (EGFR), fibroblast growth factor receptors (FGFRs), and hepatocyte growth factor receptor (c-Met), have been detected in HCC [15].