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Beating Breast Cancer – example of need for hybrid systems and explainability

Recent work by Google shows progress on applying AI to diagnosing breast cancer.  This work also highlights some key points.

Here is the relevant observation:

While the AI system caught cancers that the radiologists missed, the radiologists … caught cancers that the AI system missed. Sometimes, all six U.S. readers caught a cancer that slipped past the AI, and vice versa … The cancers that the AI system caught were generally more invasive than those caught by the radiologists; the researchers didn’t have an explanation for the discrepancies.

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