New controversy over breast cancer screening

The merits of population-based breast cancer screening are again in question after research that shows these programs are not associated with a reduction in the number of advanced tumours.

Indeed, the study of women in Denmark found about a third of cases involved overdiagnosis.

Commenting on the findings Dr Otis Brawley, chief medical officer of the American Cancer Society, says "considering all small breast cancer lesions to be deadly aggressive cancer is the pathology equivalent of racial profiling".

While he acknowledges the importance of