Molecular Profiling of Glioma Glioma is a set of tumors that occur in glial cells; glial cells surround and support nerve cells (NCI 2013). The most common subtype of glioma is glioblastoma (GBM), and it is also one of the most difficult cancers to treat. Approximately 22,400 gliomas are diagnosed in the U.S. each year;Continue reading “Glioma cancer genes”