In summary, macrophages, neutrophils, iDC, DC, Th1 cells, eosinophils, NK CD56dim cells, NK CD56dim cells, T cells, mast cells, aDC, TReg, Tem, Th17 cells, B cells, TFH, CD8 T cells, and NK cells were positively associated with CXCL5-related immune infiltration in GBM. Here, CXCL5 is linked to glioblastoma.