Cancer of the gastrointestinal tract in young people.
D000293:Adolescent; D000328:Adult; D006528:Carcinoma, Hepatocellular / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D003110:Colonic Neoplasms / Q000453:epidemiology; D004938:Esophageal Neoplasms / Q000453:epidemiology; D005770:Gastrointestinal Neoplasms / Q000000981:diagnostic imaging / Q000453:epidemiology*; D006801:Humans; D007414:Intestinal Neoplasms / Q000453:epidemiology; D008113:Liver Neoplasms / Q000453:epidemiology; D010190:Pancreatic Neoplasms / Q000453:epidemiology; D011859:Radiography; D013274:Stomach Neoplasms / Q000453:epidemiology