Hopefully donors pay attention to how their money is spent. These breast cancer research and prevention organizations have the best track record regarding getting money to research and programs.
Breast Cancer Research Foundation 91% of money spent goes to research programs http://www.bcrfcure.org/
National Breast Cancer Foundation 86% of spending goes into programs https://www.nationalbreastcancer.org/
Living Beyond Breast Cancer 83% of its funds to help diagnosis, treatment, recovery, and survival http://lbbc.org
Susan G. Komen Breast Cancer Foundation 82% of money goes to treatments, screening, education and research http://ww5.komen.org/Default.aspx