According to the RT-PCR results, “low” mRNA levels of CHI3L1 were determined for 24 (24.5 %), “medium” CHI3L1 levels were determined for 50 (51 %), and “high” CHI3L1 levels were determined for 24 (24.5 %) glioma patients. Here, CHI3L1 is linked to central nervous system cancer.