The mean of GBP2 expressionin ductal carcinoma breast tumors was 0.31± 0.28 fold change with the range of0.01 -1 and 0.26 ± 0.26 fold change with the range of 0.01 to 0.93 compared withnormal adjacent tissues and normal control, respectively. This evidence concerns the gene GBP2 and breast ductal adenocarcinoma.