One In Three Detected Breast Cancers Is Overdiagnosed
 

Researchers conclude in a paper just published on bmj.com that one in three breast cancers detected in a population with a public breast screening program is overdiagnosed. Some cancers are harmless and will not cause symptoms or death during a patient's lifetime. The cancer grows so slowly that the patient dies of other causes before it produces symptoms, or the cancer remains dormant or regresses. Overdiagnosis refers to the detection of those cancers.

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