Mammography has uncovered a large number of cases of breast tumors that
previously would have gone undiagnosed until much later.
The JAMA now reports a 200% increase in non-invasive or very early breast
cancer since 1983.
Most of these cases are treated with surgery, some with and some without
radiation. The good news is the overall death rates from breast cancer
have declined due to screening mammography.
But the rapid increase in incidence of thes very early lesions now requires
further study, to determine how best they should be treated, according to
the AMA Journal.
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