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Figure 1 5x Figure 2 5x 
 Figure 1. H&E, 5x. Figure 2. H&E, 5x.
 ER expression 5x Her2 expression 5x 
 Figure 3. The tumor cells were negative for estrogen receptor (ER); note the positive control in the adjacent normal duct epithelium (5x). The tumor cells were also PR negative (not shown). Figure 4. The tumor cells were positive for HER-2/neu receptor (scores 2+ and 3+ in >10% of tumor cells); note the lack of HER-2/neu expression in the adjacent normal duct epithelium (5x). 

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