The PDQ cancer information summaries are reviewed regularly and updated as new information becomes available. This section describes the latest changes made to this summary as of the date above.

Effect of Screening on Breast Cancer Mortality

Added text to state that breast cancer cases and deaths were adjudicated by a Swedish panel that included the trial's investigators (cited Holmberg et al. as reference 11).

Added text to state that breast cancer cases and deaths were adjudicated by a Swedish panel that included the trial's investigators (cited Holmberg et al. as reference 11).

Harms of Screening

Added text to state that overdiagnosed disease is a tumor or tumors that would never become clinically apparent prior to a patient’s death.

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