Breast Cancer Deaths decrease by half from 1990
1. From San Antonio Breast Cancer Symposium
2. A report of the Oxford based Early Breast Cancer Trialist's Collaboration (EBCTCG) which reported on 350,000 women in over 400 randomized clinical trials.
3. Early breast cancer in women from 35 to 69 yrs has decreased by half since 1990.
4. Credit for the decline has been given to breast cancer screening, endocrine therapy, chemotherapy, and irradiation.
A. There has been no 'one' cause for the decrease. Indeed, the decline seems to have been in steps as various therapies have become standard therapy.
B. Data show the the decline has been about equal in women with estrogen receptor (ER) positive genes and ER negative patients.