Genetic Testing Reveals That a Client Has a Heterozygous Mutation

Genetic testing reveals that a client has a heterozygous mutation in a gene related to cancer development.The client is 60 years old and has not developed cancer.How should the nurse interpret this situation?

A) The client will likely develop cancer if he or she lives long enough.
B) The mutation was not strong enough to increase cancer risk.
C) A second,random mutation has not occurred.
D) The client will likely remain cancer free.