A panel of experts advising the National Cancer Institute has proposed changing the definition of cancer, which would eliminate it entirely for some illnesses. CBS News chief medical correspondent Dr.... more 
A panel of experts advising the National Cancer Institute has proposed changing the definition of cancer, which would eliminate it entirely for some illnesses. CBS News chief medical correspondent Dr. Jon LaPook explains what this means for patients. less 
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Mon, Jul 29, 2013 9:36 PM EDT