Many other molecular targeting agents to block epidermal growth factor receptor (EGFR), vascular endothelial growth factor receptor (VEGF), platelet-derived growth factor receptor (PDGFR), and mammalian target of rapamycin (mTOR) are also at different stages of clinical development for the treatment of advanced HCC [36-38]. Here, PDGFRB is linked to hepatocellular carcinoma.