Barrett's oesophagus and colon cancer.
D000236:Adenoma / Q000150:complications*; D000328:Adult; D000368:Aged; D001471:Barrett Esophagus / Q000150:complications*; D003110:Colonic Neoplasms / Q000150:complications*; D004935:Esophageal Diseases / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D012189:Retrospective Studies