Survival analysis revealed that low FRG1 expression was associated with poor prognosis in OS of patients, in lung cancer (HR =0.84, P-value =0.0058) (Figure 5 D) and in gastric cancer (HR =0.56, P-value =1.8 × 10−8) (Figure 5 C). The gene discussed is FRG1; the disease is lung carcinoma.