CD68 and astrocytoma (excluding glioblastoma): LAMP4 expression was significantly different among 3 histological subtypes (Astrocytoma vs oligoastrocytoma, P value < .001; Astrocytoma vs Oligodendroglioma, P value < .001; Oligoastrocytoma-vs Oligodendroglioma, P value < .001) (Fig. 3D).