Epidemiology and trends of gastrointestinal cancer in Iran (2004-2008).

Aim: Gastrointestinal (GI) cancer is among the most common cancers in Iran. The main purpose of this study was to evaluate changes in the time trends of stomach, colon and rectum, and esophageal cancer during the past decade in Iran.

Materials And Methods: In this cross-sectional study, the study population was all cases of GI cancers diagnosed in Iran between 2004 and 2008.