Fig. 1From: ALK gene copy number gains in non-small-cell lung cancer: prognostic impact and clinico-pathological correlationsFISH findings in cell neoplastic nuclei. a Nucleus with >7 ALK fluorescent signals; b Nuclei with polysomy of ALK (from 3 to 7 ALK-CNG signals); c Nuclei with a disomic pattern of ALKBack to article page