Fig. 1From: EGFR copy number alterations in primary tumors, metastatic lymph nodes, and recurrent and multiple primary tumors in oral cavity squamous cell carcinoma EGFR FISH studies in tumor cells. The fields were observed using a triple band filter (630×). a Tumor cells with disomy (EGFR, SpectrumOrange, Centromere 7 SpectrumGreen). b Tumor with EGFR amplificationsBack to article page