Nancy Brinker : I made promise to my sister who died of breast cancer . A cancer survivor , Brinker says she 's dedicated herself to fighting the disease . She has been a vocal advocate for women and girls with cancer.
Nancy Brinker : I made promise to my sister who died of breast cancer . A cancer survivor , Brinker says she 's dedicated herself to fighting the disease . She says new legislation would go far toward energizing fight against cancer .