The biggest radiology practice in the United States is leaning even further into artificial intelligence. The tech arm of Nashville-based Radiology Partners, which includes more than 4,000 radiologists reading more than 55 million images every year, last month acquired a new AI company for $80 million: Cognita Imaging, a Stanford researcher-founded startup that’s hoping to win the race to capitalize on foundation models in radiology.

By training vision-language models on large numbers of radiological images and their written radiology reports, the hope is that AI will be able to read an X-ray or CT scan like a radiologist would: Not just by looking for a single, predetermined abnormality, but for any finding that looks important. Many existing and new radiology companies have launched t

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