An artificial intelligence tool is helping to detect chest issues, which could indicate lung cancer, in a matter of seconds. It's now in use in forty countries around the world. It's called Annalise AI, and we speak to the co-founder of the company behind it.

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Presenter: Chris Vallance Producer: Tom Quinn

(Photo: A doctor examines an X-ray image on a tablet. Credit: Athima Tongloom/Getty Images)