作者
Christina A Clarke, Theresa HM Keegan, Juan Yang, David J Press, Allison W Kurian, Anish H Patel, James V Lacey Jr
发表日期
2012/7/18
期刊
Journal of the National Cancer Institute
卷号
104
期号
14
页码范围
1094-1101
出版商
Oxford University Press
简介
Background Breast cancer incidence is higher among black women than white women before age 40 years, but higher among white women than black women after age 40 years (black–white crossover). We used newly available population-based data to examine whether the age-specific incidences of breast cancer subtypes vary by race and ethnicity.
Methods We classified 91908 invasive breast cancers diagnosed in California between January 1, 2006, and December 31, 2009, by subtype based on tumor expression of estrogen receptor (ER) and progesterone receptor (PR)—together referred to as hormone receptor (HR)—and human epidermal growth factor receptor 2 (HER2). Breast cancer subtypes were classified as ER or PR positive and HER2 negative (HR + /HER2 − ), ER or PR positive and HER2 positive (HR + /HER2 + ), ER and …
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CA Clarke, THM Keegan, J Yang, DJ Press, AW Kurian… - Journal of the National Cancer Institute, 2012