Cancer Treatment Kills Tumors by 'Cooking'

Ruth Perko is one of at least 97,000 Americans diagnosed with a malignant brain tumor each year, according to the National Cancer Institute, and nothing can prepare her for the experimental treatment she's about to receive. Perko, like so many patients, has already had surgery, radiation and chemotherapy, but the tumor inside her brain has grown back. So the 51-year-old mother of three will now try something radically different. Doctors will attack the tumor by "cooking" it. WATCH "World...Full Story
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