In a study funded by over 25 million taxpayer dollars, digital mammography was found to be no better over all than traditional mammography, and in fact, it was worse in older women.
一项耗费纳税人两千五百万美金的调查显示， 数码乳房X光仪 并不比传统设备 有更好的综合表现。 事实上，对老年女性来说，表现更糟。