Chicago, IL (May 29, 2009) – Clinicians, researchers and scientists from around the world will gather for Digestive Disease Week® 2009 (DDW®), the largest and most prestigious gastroenterology meeting, from May 30 to June 4, 2009, at the McCormick Place Convention Center, Chicago, IL. DDW is the annual meeting of the American Gastroenterological Association (AGA) Institute, the largest and oldest GI society in the world. AGA Institute researchers will present exciting, cutting-edge data during the meeting that will help change the way physicians diagnose and treat GI disorders.