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Validation of differential expression of seven candidate biomarkers by immunohistochemistry. Presented are box plots and distributions of IHC scores between 63 benign nodules and 86 lung cancers based on average staining intensity. For each antibody staining, representative images of hematoxylin and eosin stains of the nodule of interest and matched immunostains on an adjacent tissue section of a tissue microarray are provided.
