Deregulation of c-Met expression has been linked to the development, progression, and prognosis of many types of human cancers, such as hepatocellular carcinoma, colorectal cancer, ovarian cancer, breast cancer, gastric cancer, and osteosarcoma (Kong et al., 2008; Ohba et al., 2019; Zhang et al., 2018). The gene discussed is MET; the disease is osteosarcoma.