Purpose To discuss the correlation of expression level between milk fat globule EGF factor 8(MFG-E8) and estrogen receptor(ER) in breast cancer tissue and its clinical significance.Methods Expression of MFG-E8,ER was detected in 54 cases of breast cancer tissue by immunohistochemistry SP method.Results The positive rate of expression in breast cancer was higher than those in the tissues near breast cancer.The difference had statistical significance(P < 0.01).Of 54 cases of breast cancer,there was significan...