Look at the duodenum in familial polyposis.
Likier
H M
HM
Kurtz
R C
RC
D000236:Adenoma / Q000235:genetics*; D011125:Adenomatous Polyposis Coli / Q000235:genetics*; D000328:Adult; D004379:Duodenal Neoplasms / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D013274:Stomach Neoplasms / Q000235:genetics*