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Blood could tell how long brain tumor patients have and how well their treatment is working

The Holy Grail in the brain tumor field, according to Mayfield Clinic neurosurgeonDr. Ron Warnick, would be a non-invasive test allowing personalized therapy, a way to reliably distinguish if the tumor has grown back, and the ability to make a very specific prognosis. This blood test is still in the research stage. WVXU's Ann Thompson, in "Focus on Technology," reports how it would work and the hope that it carries.

Ann Thompson has decades of journalism experience in the Greater Cincinnati market and brings a wealth of knowledge and expertise to her reporting.