Topographical incidence and survival analysis of gastrointestinal tract cancer in adolescent and young adults compared with older adults in the United States.

545 Background: Adolescent and young adults (AYAs) who develop gastrointestinal (GI) cancer are rare and have unique needs. There is limited literature defining the epidemiology of malignant disease across the entire GI tract in this age group. The objective of this study was to explore incidence and survival trends in the United States for all types of GI cancers in AYAs compared to older adults. Methods: We analyzed all …