We queried Breast Invasive Carcinoma (TCGA, Firehose Legacy, n = 960 patients) found evidence of PEX1, PEX2, PEX3, PEX5, PEX6, PEX10, PEX7, PEX11A, PEX11G, PEX11B, PEX13, PEX12, PEX16, PEX14, PEX26, PEX19 (Figure8) 7%, 18%, 5%, 7%, 5%, 5%, 5%, 6%, 21%, 6%, 8%, 6%, 7%, 5%, 17% and 6% respectively among the patients of BC. This evidence concerns the gene PEX12 and breast cancer.