AI beats medical experts in spotting cancer

Google has developed an artificial intelligence system that is better at spotting breast cancer in mammograms than doctors, a study in the journal Nature suggests. Analysing more than 90,000 women in the UK and US, the AI model reduced the number of false positives by 5.7% in the US and 1.2% in the UK. There was also a reduction of false negatives, where an existing cancer is missed, by 9.4% and 2.7% respectively. The NHS system uses two radiologists to analyse each woman’s X-rays amid an estimated shortfall of more than 1,000 radiologists across the UK. 

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