Selected recurrently altered genes identified in breast cancer in recent genomic studies. Selected genes identified as significantly or recurrently altered in breast cancer in six genomic studies: Ellis et al. , Shah et al. , Curtis et al. , Banerji et al. , Stephens et al. , and The Cancer Genome Atlas (TCGA) . Deleted (D) genes are in blue, mutated (M) in green, and amplified (A) in red.