Postresection CA19-9 and margin status as predictors of recurrence after adjuvant treatment for pancreatic carcinoma: Analysis of NRG oncology RTOG trial 9704 oleh William F. Regine, MD, Kathryn Winter, MS, Ross A. Abrams, MD, Howard Safran, MD, Ivan L. Kessel, MD, Yuhchyau Chen, MD, PhD, James A. Fugazzi, MD, Eric D. Donnelly, MD, Thomas A. DiPetrillo, MD, Samir Narayan, MD, John P. Plastaras, MD, Rakesh Gaur, MD, Guila Delouya, MD, John H. Suh, MD, Joshua E. Meyer, MD, Michael G. Haddock, MD, Mukund S. Didolkar, MD, Gilbert D.A. Padula, MD, David Johnson, MD, John P. Hoffman, MD, Christopher H. Crane, MD