Reuters
Almost half of U.S. women diagnosed with a specific form of breast cancer -- estrogen-dependent cancer that has not yet spread -- can skip the chemo, the results suggest. That means about 25,000, mostly older women a year, according to the National Cancer Institute (news - web sites), which helped sponsor the study.
"The test has the potential to change medical practice by sparing thousands of women each year from the harmful short- and long-term side effects associated with chemotherapy," said Dr. JoAnne Zujewski of the NCI's Cancer Therapy Evaluation Program.
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