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Blood test detects breast cancer relapse months before symptoms emerge

August 2, 2019

A new liquid biopsy has been shown to detect the return and spread of breast cancer months before symptoms emerge or hospital scanners can find the disease.

The test, developed by researchers at the Institute of Cancer Research (ICR) and the Royal Marsden NHS Foundation Trust, was found to detect levels of cancer DNA circulating in the blood an average of 10.7 months before clinical diagnosis in patients who had relapsed during the study’s three-year follow-up period.