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Double mastectomy may not be best choice for survival, study says
Key Excerpts from Article on Website of San Francisco Chronicle (SF's leading newspaper)


San Francisco Chronicle (SF's leading newspaper), September 2, 2014
Posted: September 9th, 2014
http://www.sfgate.com/health/article/Study-Double-mastectomy...

Women diagnosed with early-stage cancer in one breast are increasingly choosing to have both breasts removed to reduce their chances of getting cancer again, but they'll likely have no better chance at long-term survival than those who had a far less invasive lumpectomy followed by radiation, researchers said [on September 2]. Researchers at Stanford University and the Cancer Prevention Institute of California in Fremont reached the conclusion after taking the largest and perhaps most comprehensive look at the survival rates for the most common surgical choices for early-stage breast cancer: double mastectomy, a single mastectomy and lumpectomy followed by radiation. "We thought we'd maybe see some survival benefit with bilateral mastectomy, particularly in younger women," said Dr. Allison Kurian, assistant professor of health research and policy at Stanford and lead author of the study. "We looked and looked, and saw no difference there." For their study, the researchers relied on data from the California Cancer Registry, which involved nearly 190,000 cases or virtually every woman in California diagnosed with one cancerous tumor in a single breast between 1998 and 2011. More than half were treated with lumpectomies, which involve removing just the tumor and surrounding tissue. The study showed the rate of bilateral mastectomies rose from 2 percent of all patients in 1998 to 12.3 percent in 2011, an increase most pronounced in younger white women. In that group, the percentage of patients younger than 40 choosing to have both breasts removed skyrocketed from 3.6 percent in 1998 to 33 percent in 2011.

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