NBC Nightly News with Brian Williams - Breast Cancer Study: Node Removal Not Always Necessary

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NBC Nightly News with Brian Williams New research suggests that for 20 percent of breast cancer patients, ...
NBC Nightly News with Brian Williams New research suggests that for 20 percent of breast cancer patients, removing lymph nodes does not improve the prognosis and can cause unnecessary pain and other complications. NBC's Dr. Nancy Snyderman reports.
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