BRAF and central nervous system cancer: Although it is known that the V600E mutation of v-raf murine viral oncogene homolog B1 (BRAFV600E) and BRAF amplification (BRAFAMP) both result in constitutive activation of the RAS/RAF pathway, whether BRAFV600E and BRAFAMP have different effects on the survival of glioma patients needs to be clarified.