|A radiologist compares an image from earlier, 2-D technology mammogram to the new 3-D Digital Breast Tomosynthesis mammography in Wichita Falls, Texas. The technology can detect much smaller cancers earlier. But a new study (released 10-12-16) questions the value of mammograms for breast cancer screening. It concludes that a woman is more likely to be diagnosed with a tumor that is not destined to become large, and presumably more life-threatening, than she is to have earlier detection of one that is (Torin Halsey/Times Record News via AP).|
Screening is only worthwhile if it finds cancers that would kill, and if treating them early improves survival versus treating when or if they ever cause symptoms.
|Asian breast cancer rates used to be low.|
There is no good way to tell which ones will, so many women get treatments they don't really need. It's a twin problem: overdiagnosis and overtreatment. More