There has probably been more fund-raising and publicity for mammograms and breast cancer awareness as any other single medical issue. It is all a scam.
The graph clearly shows that mammography adds virtually nothing to survival.
One of the premises of Obamacare is that if the feds force insurance companies to offer free preventive care like mammograms, then they will save money in the long run. Not likely.
A recent radio program explored related issues: How Reliable Are Scientific Studies?