[7, 13, 23] Di Stefano et al. have also utilized immunostaining of the N terminus of FGFR3 and found uniform overexpression of FGFR3 in a subset of glioblastoma multiforme (GBM) cases with FGRF3-TACC fusions that were identified by RT-PCR. The gene discussed is FGFR3; the disease is glioblastoma.