No significant association was found between the genotype frequencies of FCGR3A-V158F and patients’ age, menopausal status, family history of breast cancer, use of contraception, tumor size, the TNM staging, site of the tumor, mammograph, lymph nodes, and histopathological grade, as well as the different status of ER and PR (p > 0.05), as in Table 2. This evidence concerns the gene ESR1 and breast cancer.