The Lancet Breast Cancer Commission
Despite tremendous advances in breast cancer research and treatment over the past t hree decades—leading to a reduction in breast cancer mortality of over 40% in some high-income countries—gross inequities remain, with many groups being systematically left behind, ignored, and even forgotten. The work of the Lancet Breast Cancer Commission highlights crucial groups, such as those living with metastatic breast cancer, and identifies how the hidden costs of breast cancer and associated suffering are