Fig. 2From: The relationship between quantitative human epidermal growth factor receptor 2 gene expression by the 21-gene reverse transcriptase polymerase chain reaction assay and adjuvant trastuzumab benefit in Alliance N9831Distribution of HER2 by RT-PCR according to central HER2 by IHC. HER2 human epidermal growth factor receptor 2, IHC immunohistochemistry, RT-PCR reverse transcriptase polymerase chain reactionBack to article page