A Google artificial intelligence system proved as good as expert radiologists at...
CHICAGO - A Google artificial intelligence system proved as good as expert radiologists at predicting which women would develop breast cancer based on screening mammograms and showed promise at reducing errors, researchers in the United States and Britain reported.
Radiologists miss about 20% of breast cancers in mammograms, the American Cancer Society says, and half of all women who get the screenings over a 10-year period have a false positive result. They then compared its predictions to the actual results from a set of 25,856 mammograms in the United Kingdom and 3,097 from the United States.
These differences reflect the ways in which mammograms are read. In the United States, only one radiologist reads the results and the tests are done every one to two years. In Britain, the tests are done every three years, and each is read by two radiologists. When they disagree, a third is consulted.In a separate test, the group pitted the AI system against six radiologists and found it outperformed them at accurately predicting breast cancers.
The issue, Lehman said, is that current CAD programs were trained to identify things human radiologists can see, whereas with AI, computers learn to spot cancers based on the actual results of thousands of mammograms.
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