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Researchers Closing in on New "Liquid Biopsy" Cancer Test

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Liquid biopsies work by filtering blood to find epithelial cells.  These cells are found in blood in 85-90% of cancers.   Through this process doctors can see what type of cancer a patient has, track the cells in the blood to see where they're going, and customize treatment to target the specific cells found instead of the whole body.  This can aid in preventing these cells from spreading to other organs in the body.

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