To further explore PTRF expression in different histological regions of GBM, we collected anatomic transcriptional data in gliomas from Ivy Glioblastoma Atlas [25], including cellular tumor (CT), infiltrating tumor (IT), leading edge (LE), microvascular proliferation (MVP), and pseudopalisading cells around necrosis (PAN). The gene discussed is CAVIN1; the disease is glioblastoma.