sb m бутлуур 3497 dutchshipcollectorsclub . Rare variants in the ATM gene and risk of breast cancer. Jul 25, 2011· Methods. To investigate the role of ATM in BC susceptibility, we studied 76 rare sequence variants in the ATM gene in a casecontrol family study of 2,570 cases of breast cancer and 1,448 controls.The variants were grouped into three egories based on their likely ...