One in five breast cancer tumors may regress without treatment, a new study suggests. Researchers screening women who had a history of regular mammograms and those who did not report that those in the first group were diagnosed with 22 percent more breast cancers, implying that such a percentage of cancers would have eventually gone away on their own. The study opens up a controversial debate on whether early and aggressive treatment of breast cancer is always the best procedure. But many experts are wary of the new findings, saying the conclusions were incorrectly drawn and fearing they will discourage women from getting mammograms.
"The idea that somehow these cancers go away entirely is, I would say, an intriguing hypothesis, but one we don't have a lot of evidence to support," [Reuters]
said Dr. Eric Winer. Researchers in Norway followed two groups of women, each numbering more than 100,000, for ...
