for being free or fair. elisabeth: the masterson sisters in california are fighting a battle. six of the seven women are diagnosed with breast cancer in their early 50 s, one dying from the disease last year. that s even though there is no family history of breast cancer. here s a startling statistic. one in eight women will be diagnosed with breast cancer at some point in her life. so what do you need to know? here to break down the facts from the myth is dr. marc siegel from the fox medical a team. how can it be possible to have all these women in your family with breast cancer, no gene, and you get it? 85% of the time this is no first-degree relative and there is no genetic abnormality that s found. some of the time there is a