controversial consensus statement now available 2009 consensus conference http://consensus.nih.gov/2009/dcisstatement.htm controversial level of agreement NIH consensus statement http://consensus.nih.gov/2009/dcisstatement.htm 2009 consensus conference http://consensus.nih.gov/2009/dcisstatement.htm The long-term, disease-free survival is 96-98 percent. lengthy analysis NIH consensus statement