Any breast cancer surgeon who regularly performs lumpectomies confronts the question "Did I get it all?" Thirty to 60 percent of the time in the U.S., the answer is "no," requiring the patient to undergo a second surgery to remove the remaining tumor. Surgeons at UC Irvine Medical Center are the first in the country to use a device that reduces by half the need to reoperate and cut out breast cancer cells missed during an initial lumpectomy. The MarginProbe System lets the surgeon immediately assess whether cancer cells remain on the margins of excised tissue...
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