In addition, four studies focused on the prognostic role of PODXL in CRC [9–12], one study focused on the glioma [16], one focused on the UBC [19], one paid attention to the BC [20], three focused on the PC [13–15], and two studies focused on the prognostic role of PODXL in EGAC [17, 18]. Here, PODXL is linked to central nervous system cancer.