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Expression of proteins in NSCLC tumors studied by immunohistochemistry in tissue microarrays.A) EGFR strong membrane positivity; B) EGFR absence; C) pEGFRTyr1173 membrane and cytoplasmic positivity; D) pEGFRTyr1173 lack of immunoreaction; E) c-MET strong cytoplasmic staining; F) Absence of c-MET staining. (Full size images X100).
