Fig. 2From: A rare case report of recurrent atypical meningioma with multiple metastases treated with anti-PD-1 and anti-VEGF therapyMorphologic features and IHC findings of the biopsy samples. Hematoxylin and eosin staining (HE) revealed fusiform cancer cells (A, × 100; a, × 400). IHC revealed that the cancer cells were positive for EMA, Vimentin, PD-L1, and Ki-67 (B–D, × 100; b–d, × 400) and negative for PD-L1 (E, × 100; e, × 400)Back to article page