From SNPedia
This SNP, a variant in the CHEK2 gene, is 1 of 25 SNPs reported to represent independently minor, but cumulatively significant, increased risk for breast cancer. [PMID 17341484]
For details of all 25 SNPs in this group, along with the two methods used to calculate overall risk estimates for breast cancer, refer to the SNPedia breast cancer entry.
For this particular SNP, the risk (minor) allele is (C).
[PMID 18086781] rs17879961 one of 3 SNPs associated with increased risk of lung cancer
