Figure 3From: Assessment of HER2 status in breast cancer: overall positivity rate and accuracy by fluorescence in situ hybridization and immunohistochemistry in a single institution over 12 years: a quality control study Results on double testing (IHC and FISH) on IHC 0/1+ cases and concordance with FISH amplification between 2001–2004 and 2011–2012. Back to article page