APC is the acronym for the gene Adenomatous Polyposis Coli. “Mutations in the APC gene cause a group of polyposis conditions that have overlapping features including familial adenomatous polyposis[anchor link to FAP “Glossary” entry] (F.A.P) or Gardner syndrome which may include the development of desmoid tumors, ” (Source: National Organization for Rare Disorders (NORD))
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