Timothy Whelan of McMaster University in Hamilton, Ontario, who led the study, which was supported by the Canadian Breast Cancer Foundation and the Canadian Cancer Society. "We estimate the benefits of radiation would be very small in this population compared to the side effects," said Dr. Additionally, as an alternative we now offer compatible flash hiders by Forward Control Designs and JMAC. There was no comparison group, but researchers said the results compare favorably to historical data for similar patients who had radiation. The flash hider is backed by a lifetime warranty. The other study followed 500 older women with a common form of early-stage breast cancer and low levels of a protein known as Ki67, a marker for fast-growing cancer.Īfter surgery, the women took hormone-blocking pills, a standard treatment for this type of cancer, but they did not get radiation treatment.Īfter five years, 10 of the women saw cancer return in the same breast, and there was one breast cancer death. Everett Vokes, who specializes in head and neck and lung cancer at University of Chicago Medicine. Skipping chemo makes "a big difference in a person's quality of life if that can be done without having to put them at jeopardy for recurrence," said ASCO president Dr. Jeanne Tie of the Peter MacCallum Cancer Centre in Melbourne, Australia, who led the research. "In patients where cancer DNA is not detected after surgery, the chance of cancer relapse is very low, suggesting that chemotherapy is very unlikely to benefit these patients," said Dr. In other words, the blood test group fared equally well with less chemotherapy. But about 93% of both groups were still free of cancer after two years. Fewer patients in the blood test group got chemo - 15% vs.
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