It was reported that GNG7 is a tumor suppressor gene in esophageal cancer, squamous cell carcinoma of head and neck, pancreatic cancer, and gastrointestinal cancer (Hartmann et al., 2012; Long, Liu, Wu, Xu, & Ge, 2016; Shibata et al., 1998). The gene discussed is GNG7; the disease is head and neck squamous cell carcinoma.