Sweden tested AI on its mammogram screening. What percent more cancers did it catch?
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29%
AI-assisted screening found 29% more cancers than Sweden's standard method, which has two radiologists read every mammogram independently. In a randomized trial of 106,000 women it also cut radiologist reading work by 44%. Women screened with AI had 12% fewer cancers surface between screenings.
In a study of 106,000 Swedish women, AI-assisted mammograms found 29% more cancers than radiologists alone.
Source: MASAI trial (Lancet Oncology 2023; The Lancet, Jan 2026) · checked Jan 2026