Research Suggests Breast Cancer Overdiagnosis

Posted Monday, April 2, 2012 --- 4:25 p.m.

NEW YORK (AP) -- New research suggests that finding breast cancer early isn't always better.

Researchers in Norway estimate that as many as one-quarter of breast cancers found by routine mammograms wouldn't have caused problems, but these tumors are being treated anyway.

The problem is there's no certain way to determine which ones are going to be life-threatening.

The research appears in Tuesday's issue of the Annals of Internal Medicine.

An editorial in the journal says breast cancer is probably over-diagnosed more in the United States. American women get screened at an early age and more often than women in Norway.

The researchers and other experts say women need to be better informed about over-diagnosis before they decide whether to get a routine mammogram.

Copyright 2012. The Associated Press.

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