The following variables were associated with survival: age at diagnosis, ABO blood type, CA153, ALP, tumor grade, lymph node metastasis, ER status, PR status, Her-2 status, Ki-67 status, surgery for BC, chemotherapy, endocrinotherapy, SBM/MBM, performance of BPs, liver metastasis, lung metastasis, and other organs metastasis. This evidence concerns the gene MKI67 and breast cancer.