Blood test detects cancer up to four years before symptoms show – BBC Focus Magazine

A blood test that can spot five common types of cancer years before symptoms appear has been developed by scientists.
The test, called PanSeer, is able to detect stomach, gullet, bowel, lung and liver cancer up to four years before conventional diagnosis methods, such as imaging tests or biopsies.
According to the scientists, their findings published in the journal Nature Communications could help identify those at high risk of developing the disease, although the results need to be validated …

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