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"Screening offers hope that cancer can be detected in an early, localized phase when it's more amenable to treatment," they write, but that assumes that cancer starts in one place, grows and then spreads. If that was always true, screening would reduce the rate of advanced cancers.
And that has not happened. The rate of breast cancers detected at an advanced stage has been stable since 1975, despite wide use of mammography since the 1980s. The average age of women diagnosed with cancer also has remained around 63, another sign cancers are not being found sooner.
The trends suggest that some breast cancers are already "systemic" or widely spread from the start, and that finding them sooner has limited impact.
"Screening mammography has been unable to identify those bad cancers, destined to become metastatic, at an earlier stage. That doesn't say mammography doesn't help less aggressive cancers," but those are less likely to prove deadly, Welch said.
Also highlighted are steadily decreasing breast cancer death rates, due in part to improvements in screenings and treatment.
The purpose of screening mammograms is to catch it early before it is too late.
"Screening offers hope that cancer can be detected in an early, localized phase when it's more amenable to treatment," they write, but that assumes that cancer starts in one place, grows and then spreads. If that was always true, screening would reduce the rate of advanced cancers.
And that has not happened. The rate of breast cancers detected at an advanced stage has been stable since 1975, despite wide use of mammography since the 1980s. The average age of women diagnosed with cancer also has remained around 63, another sign cancers are not being found sooner.
The trends suggest that some breast cancers are already "systemic" or widely spread from the start, and that finding them sooner has limited impact.
"Screening mammography has been unable to identify those bad cancers, destined to become metastatic, at an earlier stage. That doesn't say mammography doesn't help less aggressive cancers," but those are less likely to prove deadly, Welch said.
I'm not really a fan of people telling others which Forum their posts belong... but this should be filed in the Hoax Forum.
The scam is that as soon as the (alleged) Affordable Healthcare Act (aka Obamacare) was enacted, the entire philosophy of early screening for diseases has been thrown to the wayside.
originally posted by: ketsuko
a reply to: Klassified
Why would they decrease the rates of breast cancer since they are designed to detect it as early as possible. If they are detecting it, then it's there, right?
Getting your breast x-rayed isn't a prevention measure.
The only thing early detection prevents is the likelihood of death because you didn't find your cancer until it was too late.