[Evaluating the benefits of mammographic breast cancer screening]

Mammographic breast cancer screening is one of the most popular cancer death preventive programs worldwide, as well as in Hungary. Breast cancer mortality and incidence started to decrease some years after international introduction of the screening program. The role played by mammography in the advantageous turn is not known. Potential points in evaluating the benefits of a screening program are reviewed. We focus on the average lifetime gain, which is 1 to 3 weeks in case of mammography, according to age groups.