In the PrognoScan database, an analysis of the cohort GSE13213 showed that a high FGL2 mRNA level was related to better overall survival in lung adenocarcinoma (OS HR = 0.68, 95% CI = 0.48 to 0.96, Cox P = 0.029471) (Fig. 2B). The gene discussed is FGL2; the disease is lung adenocarcinoma.