Missouri has a high breast cancer mortality rate, as well as high rates of type 2 diabetes, cardiovascular disease (CVD), and hypertension, which present more often in individuals who are poor, those living in rural areas, African Americans, and older adults. Women with comorbidities at the time of breast cancer diagnosis may have a worse prognosis, so researchers assessed survival disparities among these patient populations. According to the findings presented at the San Antonio Breast Cancer Symposium on December 5, 2018, comorbidities can negatively impact overall breast cancer survival.