Overexpression of the Brd-containing protein ATAD2 (ATPase family, AAA domain containing 2) has been linked to a variety of cancers including breast,100,101 prostate,102 liver,103 lung,100 osteosarcoma104 among others.105 Little is known of the role that the ATAD2 bromodomain plays in these indications. This evidence concerns the gene ATAD2 and cancer.