The importance of upper gastrointestinal tract assessment in Gardner's syndrome.
D000230:Adenocarcinoma / Q000175:diagnosis*; D000328:Adult; D004379:Duodenal Neoplasms / Q000175:diagnosis*; D005350:Fibroma / Q000175:diagnosis; D006801:Humans; D007417:Intestinal Polyps / Q000175:diagnosis*; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis*; D013577:Syndrome