Fig. 5From: 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 N9831Trastuzumab benefit by HER2 status by RT-PCR, FISH and IHC. FISH fluorescence in situ hybridization, HER2 human epidermal growth factor receptor 2, IHC immunohistochemistry, RT-PCR reverse transcriptase polymerase chain reactionBack to article page