Gastrointestinal Committee Key Members: Christopher Willett, M.D., Chair (1999); Jaffer Ajani, M.D., Co-Chair, Medical Oncology; David Kelsen, M.D., Co-Chair, Medical Oncology; Elin Sigurdson, M.D., Co-Chair, Surgical Oncology; Ross Abrams, M.D.; Brian Berkey, M.S., Statistical Center; Mary Benetz, Research Associates Committee Liaison; Christopher Crane, M.D., Three-Dimensional Committee Liaison; Laurie Gaspar, M.D., Brachytherapy Committee Liaison; Michael D. Goodyear, M.D., Medical Oncology; Leonard Gunderson, M.D.; Michael Haddock, M.D.; John Hoffman, M.D., Surgical Oncology; Nora Janjan, M.D.; Madhu John, M.D., Lisa Kachnic, M.D., Outcomes Committee Liaison; Richard Krieg, M.D.; Jerome Landry, M.D.; Neal Meropol, M.D.; Bruce Minsky, M.D.; Edith Mitchell, M.D.; Mohammed Mohiuddin, M.D.; John Moulder, Ph.D., Translational Research Program Liaison; Robert Myerson, M.D.; Dirk Noyes, M.D., Surgery; Thomas F. Pajak, Ph.D., Statistical Center; David Raben, M.D.; William Regine, M.D.; Tyvin Rich, M.D.; John M. Robertson, M.D.; Anthony Russell, M.D.; John Skibber, M.D., Surgery; and Paula Kim, Patient Advocacy Committee Liaison