Why does it need to be found early?
Relative 5-year survival by extent of cancer (United States, 2015-2021)
Stayed in the breast> 99%Localised stage
Nearby lymph nodes87%Regional stage
Metastases32%Distant stage
In short: When cancer is found before it spreads, almost all women are alive 5 years later.
Source: ACS, 2026 · permanent link