Conversely, nodal vulnerability in grp‐OE (left glioma, −0.006 ± 0.004; right glioma, −0.001 ± 0.003) was lower than that in grp‐OnE (left glioma, 0.015 ± 0.007, p = 0.0227; right glioma, 0.010 ± 0.004, p = 0.0372). Here, GRP is linked to central nervous system cancer.