As physicians and researchers explore causes and treatments for cancer, they are also uncovering significant differences, or ‘disparities,’ in the number of cases of cancer and outcomes of cancer based on race and ethnicity, on gender and age, on a patient’s geographic location, or on their personal financial means. In breast cancer, a building body of research has revealed multitude of cancer care disparities, and patients who are among the minority underserved demographic are hit the hardest.