A Sartore-Bianchi, S Fieuws, S Veronese et al. Standardisation of EGFR FISH in colorectal cancer: results of an international interlaboratory reproducibility ring study. J Clin Pathol 2012;65:218–23. Figure 4 of this paper was published with errors that were made during the production process. The following information has been corrected. The y axes of Part A, …