title: Caveat emptor.
abstract: Until there is a clearer understanding of the role that genes of low penetrance play in cancer risk, the best advice may be: Buyer beware.
authors.affiliation: Southcoast Center for Cancer Care, Fall River, MA.
authors.forename: Therese M
authors.initials: TM
authors.lastname: Mulvey
references.citation: J Clin Oncol. 2003 Jun 15;21(12):2397-406
references.pmid: 12692171
references.citation: J Clin Oncol. 2010 Feb 10;28(5):893-901
references.pmid: 20065170