What is the Galleri multi-cancer blood test and how does it work?

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By Beth Roberts

A blood test that checks for over 50 cancers has reportedly shown “real promise” in a recent trial, but what is the science behind it and how could it be used in practice?

Galleri is the first multi-cancer early detection (MCED) test - a new type of cancer test - to be trialled in the UK and recent results have shown significant promise, according to researchers.^1,2