Blood test detects dozens of cancer types, often before symptoms emerge

A novel blood test accurately detected more than 50 types of cancer with a specificity of 99.3%, according to results of the prospective Circulating Cell-free Genome Atlas study published in Annals of Oncology.The test, which uses targeted methylation analysis of circulating cell-free DNA, also predicted the tissue in which the malignancy originated in more than 90% of cases. In many cases, the test — made by GRAIL Inc. — yielded this information before people exhibited clinical signs or symptoms of their disease.The data support the potential of the test to meet the fundamentalRead More

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