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Fig. 1 | BMC Gastroenterology

Fig. 1

From: Variables affecting penetrance of gastric and duodenal phenotype in familial adenomatous polyposis patients

Fig. 1

Sum diameter of duodenal polyps grouped by age at colectomy. The study consisted of 110 subjects with a colectomy and divided into 4 age groups and one group that had not had colectomy (25 juvenile at age 8–17 years indicated by (); 38 young adult at age 18–30 years indicated by (Δ); 29 adult at age 31–40 years indicated by (+) and 18 mature adult at age 41 or older indicated by (x)) and 40 who had not undergone a colectomy at time of upper endoscopy (NA) indicated by (). Each individual is plotted based on duodenal polyp burden in millimeters versus the age when the duodenal data were captured by endoscopy

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