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New blood test can detect 50 types of cancer
A new blood test that can detect more than 50 types of cancer has been revealed by researchers in the latest study to offer hope for early detection.
The test is based on DNA that is shed by tumours and found circulating in the blood. More specifically, it focuses on chemical changes to this DNA, known as methylation patterns.
Researchers say the test can not only tell whether someone has cancer, but can also shed light on the type of cancer they have.
Dr Geoffrey Oxnard of Boston's Dana-Farber Cancer Institute, part of Harvard Medical School, said the test was now being explored in clinical trials. "You need to use a test like this in an independent group at risk of cancer to actually show that you can find the cancers, and figure out what to do about it when you find them," he said.