S100B and neoplasm: This marker panel includes the astrocytic marker GFAP, the glial marker S100B (S100 calcium binding protein B), the neuronal marker TUBB3 (tubulin beta 3 class III), the tumor marker VIM (vimentin) and the progenitor markers NES (nestin) and SOX2 (SRY‐Box 2), as well as the proliferation marker MKI67 (Ki‐67) and the fibroblast marker TE7.