For example, circ-Cdr1as is related to osteosarcoma (Xu et al., 2018), laryngeal squamous cell carcinoma (Zhang J. et al., 2018) lung cancer (Zhang X. et al., 2018), and hepatocellular carcinoma (Yang et al., 2017). The gene discussed is LINC00632; the disease is hepatocellular carcinoma.