OLFML2B and gastric cancer: In addition, the OS of patients with GC was analysed using Kaplan-Meier plotter and OncoLnc, and the results revealed that high OLFML2B expression was significantly associated with a shorter OS for all patients with GC [hazard ratio = 1.56, 95% CI (1.29–1.88); P = 2.6 × 10− 6; Fig. 4a].