FCGR2B and glioblastoma: Viewed separately, no genes showed significant differences except VSNL1 (HR: 0.6313, 95% CI: 0.4324–0.9216) in primary GBM (Figure 2D), while FCGR2B and SNCB were consistent with the results of all GBM samples in recurrent GBM (Figure 2E).