EGFR and central nervous system cancer: Finally, we selected the following seven indicators as the mIHC panel: IDHR132H, ATRX, EGFR, CDKN2A, HIP1R, GFAP [25] (glial fibrillary acidic protein, marker of glioma cells), and DAPI (4ʹ,6‐diamidino‐2‐phenylindole, marker cell nucleus).