Additional data file 4.

(A) Hierarchical clustering dendrogram with the different ER- subtypes as defined by the clustering in Figure 2a. (B) The distribution of lymphocytic infiltration scores (LI) and histologic grade. Color codes: black = high LI and high grade; gray = low LI; blue = intermediate grade; and sky blue = low grade. (C) Expression profiles of validated basal markers from [27] across ER- subtypes. (D) Expression profiles of genes in the ERBB2 amplicon. Color codes: green = relative under-expression; red = relative over-expression.

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Teschendorff et al. Genome Biology 2007 8:R157   doi:10.1186/gb-2007-8-8-r157