Purpose To fully characterize the risk of contralateral breast cancer (CBC) in patients with
breast cancer with a family history who test negative for BRCA1 and BRCA2 mutations.
Patients and Methods From our population-based case-control study comparing women with
CBC to women with unilateral breast cancer (UBC), we selected women who tested
negative for BRCA1 and BRCA2 mutations (594 patients with CBC/1,119 control patients
with UBC). Rate ratios (RRs) and 95% CIs were estimated to examine the association …

Risk of asynchronous contralateral breast cancer in noncarriers of BRCA1 and BRCA2
mutations with a family history of breast cancer: A report from the women's environmental
cancer and radiation epidemiology study — MD Anderson Cancer Center … Risk of
asynchronous contralateral breast cancer in noncarriers of BRCA1 and BRCA2 mutations
with a family history of breast cancer: A report from the women's environmental cancer and
radiation epidemiology study … Breast Diseases …