Study: 1 in 3 breast cancer patients overtreated

(AP) -- One in three breast cancer patients identified in public screening programs may be treated unnecessarily, a new study says. Karsten Jorgensen and Peter Gotzsche of the Nordic Cochrane Centre in Copenhagen analyzed breast cancer trends at least seven years before and after government-run screening programs for breast cancer started in parts of Australia, Britain, Canada, Norway and Sweden.

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