Changing trends and disparities in 5-year overall survival of women with invasive breast cancer in the United States, 1975-2015.

Relative survival is the ratio of overall survival (OS) over survival of the general population, and widely used in epidemiological studies. But it is artificially higher than OS and thus inferior to OS for cancer prognostication of individual patients. Moreover, trend-changes and disparities in OS of breast cancer are unclear while the relative survival of breast cancer has been reported on a regular basis. Therefore, we estimated trends in...