FCGR2B and central nervous system cancer: In particular, only FcγRIIb is expressed at a higher mRNA level in GBM than in normal or low-grade glioma tissues and shows a negative correlation with the survival time of GBM patients, especially of recurrent GBM patients, from multiple glioma databases, including The Cancer Genome Atlas (TCGA) and REpository for Molecular BRAin Neoplasia DaTa (REMBRANDT).