High expression of E2F7 mRNA levels showed a significant correlation with favourable OS in all GC patients, HR = 0.59 (0.47–0.75), P=1.1 × 10−5 (Figure 7A) and intestinal GC patients, HR = 0.54 (0.31–0.94), P=0.027 (Figure 7B). The gene discussed is E2F7; the disease is gastric cancer.