A potentially very important new finding showing a biomarker that appears predictive of Stage 2 patients that would significantly benefit from chemotherapy. Findings were based upon retrospective analysis, prospective clinical trials have not been done yet. First link = news article. Second link = article from the New England Journal of Medicine. http://www.medscape.com/viewarticle/857470 and http://www.nejm.org/doi/full/10.1056/NEJMoa1506597
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