High: GCaYuan et al. (2014); HCC Sun et al. (2009a); HCC Sun et al. (2009b); HER2- BC Srivastava et al. (2001a), Srivastava et al. (2004).Low: prostate Srivastava et al. (2001a), Srivastava et al. (2004). The gene discussed is ERBB2; the disease is hepatocellular carcinoma.