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Hybridization of the non small-cell lung cancer (NSCLC) sections with the epidermal growth factor receptor EGFR/CEP7 (A, B, D) and the PathVysion probe set (C) showing EGFR high polysomy (A), EGFR clustered gene amplification (B), HER2 gene amplification (C) and EGFR amplification as double minutes (D).
