GRP and central nervous system cancer: Similarly, nodal vulnerability in grp‐OE (left glioma, 0.010 ± 0.003; right glioma, 0.002 ± 0.002) was higher than that in grp‐OnE (left glioma, −0.002 ± 0.003, p = 0.0053; right glioma, −0.006 ± 0.002, p = 0.0246).