CKS2 and anaplastic oligodendroglioma: Findings represented weak/negative staining for CKS2 in normal brain sample, moderate to strong cytoplasmic staining for CKS2 in low‐grade glioma (such as Pilocytic astrocytoma, Pleomorphic xanthoastrocytoma, and Oligodendroglioma) and high‐grade glioma (such as Anaplastic Oligodendroglioma and Glioblastoma Multiforme) tissues (Figure. 2G, H).