Racial disparities in breast cancer mortality among the regions of California.

106 Background: Racial/ethnic disparities in breast cancer mortality have been described. Geographic variation in breast cancer mortality has also been observed. The purpose of this study is to determine if there are racial disparities in breast cancer survival among eight regions in California, the most populous state in the U.S. Methods: Of 245,701 cases of first primary female invasive breast cancer from the California Cancer Registry (CCR)...