Medscape Now! Breast Cancer in the 2020s: Rising Rates, Stalling Mortality, Demographic Disparities Authors: ​Naseem Bazargan, MPH

https://www.medscape.org/viewarticle/medscape-now-breast-cancer-2020s-rising-rates-stalling-2026a1000i59?page=1 Breast cancer incidence in the United States has been on an upward trajectory since the mid-2000s; in 2026, breast cancer accounted for nearly one-third of all cancer diagnoses among US women.[1] The burden of this trend, however, is not shared equally across demographic groups.[1-4] Over the decade from 2013 to 2022, breast cancer incidence increased by 1%/y overall, largely driven by localized-stage and hormone receptor--positive diagnoses, with the rise steeper in women aged younger than 50 years (1.4% annually) compared with 0.7%/y in women aged 50 years and older.[1,2] Between 2010 and 2019, increases in breast cancer incidence were observed across all age groups except women aged 60 to 69 years, with the highest annual percentage change (APC; 1.85% [95% CI: 0.96%, 2.77%]) among individuals aged 15 to 29 years (Figure 1)