Without symptoms, these tests do not prove their merit.
The screening tests, without symptoms, have not shown any better results in mortality. For every 1000 - 1500 mammograms, they find one case of breast cancer. Many women are having radical surgeries without actual cancer. How many needless surgeries are taking up operating rooms when a life can be saved with required surgery?
The American system, where-by huge lawsuits are awarded, has resulted in a physician culture where overtesting, with inaccurate screening tests, means that physicians protect themselves.
In my 20 plus years of practice I have never seen such bewildering recommendations released as Canadian guidelines for breast cancer screening. It’s a serious watershed. Curbing costs have trumped saving lives.