Caveat emptor.
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.
Mulvey
Therese M
TM
Southcoast Center for Cancer Care, Fall River, MA.
J Clin Oncol. 2003 Jun 15;21(12):2397-406
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J Clin Oncol. 2010 Feb 10;28(5):893-901
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