Fig. 4From: Simultaneous detection of EGFR amplification and EGFRvIII variant using digital PCR-based method in glioblastomaThree illustrative sample tumor examples using three dPCR assays and FISH. a Tumor with EGFR amplification. b Tumor without EGFR amplification. c Tumor with EGFR amplification and concomitant EGFRvIII variant. Corresponding FISH images are shown at the end of the line on the rightBack to article page