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More Women Survive Breast Cancer

More women are surviving breast cancer in situ according to a report in the current issue of the Journal of the American Medical Association is welcome news for millions of American women.  There were 610,171 in situ survivors in 2005 and reserachers expect that by 2016 the number will exceed one million.

Breast cancer in situ now accounts for 20 percent of newly diagnosed breast cancers. It is the early stage of the disease, when it is still confined to the layer of cells in the ducts or lobules of the breasts.  Cancer is one of the three primary critical illnesses that strikes Americans resulting in billions of dollars of lost productivity and medical expenses according to the American Association for Critical Illness Insurance.

Researchers at the University of Wisconsin-Madison explained that while there were 2.5 million breast cancer survivors in the United States in 2005, the number of breast cancer in situ survivors was unknown.

Women with breast cancer in situ are four times more likely to develop invasive breast cancer compared with the general population, the researchers explained.  The scientists study found that women with ductal breast cancer in situ, one of the more common forms, were more than five times more likely to be survivors compared with women diagnosed with lobular breast cancer in situ.

The researchers also reported that more white women survived than black women and women from other ethnic groups.  “Current epidemiologic evidence regarding predictors of subsequent invasive breast cancer after breast cancer in situ is limited,” the researchers noted in their report. “Guidelines are necessary to help the increasing number of breast cancer in situ survivors choose the best treatment and lifestyle strategies while still maintaining high quality of life.”

SOURCES: Barbara A. Brenner, executive director, Breast Cancer Action, San Francisco; Aug. 26, 2009, Journal of the American Medical Association

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