Breast Cancer in Sub‐Saharan Africa: Challenges and Opportunities to Reduce Mortality

The objective of this review is to describe existing data on breast cancer incidence and mortality in low‐ and middle‐income countries (LMICs), in particular in sub‐Saharan Africa; identify the limitations of these data; and review what is known about breast cancer control strategies in sub‐Saharan African countries and other LMICs. Available estimates demonstrate that breast cancer incidence and mortality are rising in LMICs, including in Africa, although high‐quality data from LMICs (and particularly from sub‐Saharan Africa) are largely lacking. Case fatality rates from breast cancer appear to be substantially higher in LMICs than in high‐income countries. Significant challenges exist to developing breast cancer control programs in LMICs, perhaps particularly in sub‐Saharan Africa, and the most effective strategies for treatment and early detection in the context of limited resources are uncertain. High‐quality research on breast cancer incidence and mortality and implementation research to guide effective breast cancer control strategies in LMICs are urgently needed. Enhanced investment in breast cancer research and treatment in LMICs should be a global public health priority. Implications for Practice: The numbers of new cases of breast cancer, and breast cancer deaths per year, in low‐ and middle‐income countries are rising. Engagement by the international breast cancer community is critical to reduce global disparities in breast cancer outcomes. Cancer specialists and institutions in high‐income countries can serve as key partners in training initiatives, clinical care, protocol and program development, and research. This article provides an overview of what is known about breast cancer incidence, mortality, and effective strategies for breast cancer control in sub‐Saharan Africa and identifies key gaps in the literature. This information can help guide priorities for engagement by the global cancer community. This review provides an overview about what is known about breast cancer incidence and mortality in LMICs, with a focus on sub‐Saharan Africa. It discusses the implications of these trends for breast cancer early detection and treatment strategies and identifies what is currently known about delivery of such care in LMICs. It focuses on the limitations of the existing data and areas in which high‐quality research is most needed.