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New blood test that scans for 50 types of cancer ‘can detect tumours BEFORE symptoms develop’
- Sam Blanchard, The Sun
A BLOOD test screening for more than 50 types of cancer can detect tumours in people with no symptoms, a trial found.
Researchers at New York’s Memorial Sloan Kettering Cancer Center said the test, developed by the firm Grail, could detect one cancer case for every 189 over-50s tested.
1The test searches for fragments of cancerous DNA in the bloodCredit: GRAILIt uses a single sample to pick up fragments of tumour DNA in the blood, which circulate round the body when they break off.
The trial screened 6,662 people aged 50 or over with no symptoms of cancer.
It gave a positive result for 92 of them, with 35 later actually diagnosed.
It meant 57 people were told they had the disease when they did not, but 35 were diagnosed early before showing any signs.
Writing in the journal The Lancet, researchers said: “This study provides early evidence of the feasibility of blood testing to screen for multiple cancers with a single test.
“Importantly, it detected many FINISH READING HERE
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