Postmenopausal hormone therapy and breast cancer risk: the Multiethnic Cohort.

  title={Postmenopausal hormone therapy and breast cancer risk: the Multiethnic Cohort.},
  author={Sulggi A. Lee and Laurence N. Kolonel and Lynne Ross Wilkens and Peggy C Wan and Brian E. Henderson and Malcolm C. Pike},
  journal={International journal of cancer},
  volume={118 5},
Epidemiological studies indicate that menopausal estrogen-progestin therapy (EPT) use is associated with an increase in breast cancer risk. Further data are needed on whether this association varies by specific prognostic factors and ethnicity. We conducted a cohort study among 55,371 African-American, Native Hawaiian, Japanese-American, Latina and White postmenopausal women aged 45-75 years old in the Multiethnic Cohort Study (MEC). A total of 1,615 incident invasive breast cancer cases were… CONTINUE READING


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