[Senescence and gastrointestinal cancer].
D000368:Aged; D000375:Aging; D004938:Esophageal Neoplasms / Q000453:epidemiology; D005770:Gastrointestinal Neoplasms / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D007414:Intestinal Neoplasms / Q000453:epidemiology; D007564:Japan; D008113:Liver Neoplasms / Q000453:epidemiology; D008875:Middle Aged; D013160:Splenic Neoplasms / Q000453:epidemiology; D013274:Stomach Neoplasms / Q000453:epidemiology