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Lymph nodes doesnt necessarily save more lives as long as the rest of the treatment, radiation and chemo therapy is all the same. joining us now is chief medical officer of the american cancer society and chris moss who in this extract procedure done 2 1/2 years ago. welcome to both of you. we hear your health is good. >> yes. >> you had the lymph node dissection as part of this clinical trial. >> correct. >> how painful was the procedure itself? >> its horrific. i went in and had the nuclear dy...