Age distributions of breast cancer diagnosis and mortality by race and ethnicity in US women.

This study analyzes the most recently available data on invasive breast cancers and breast cancer deaths in US women by age and race/ethnicity. Its findings show that non-Hispanic Black, Asian American/Pacific Islander, Native American, and Hispanic women have a higher percentage of invasive breast cancers at younger ages and at more advanced stages and a higher percentage of breast cancer deaths at younger ages than non-Hispanic White women.