Does Efficacy of Adjuvant Endocrine Therapy Correlate with Breast Cancer Patients' Ethnicity?

Hiroyuki Takei^*

Division of Breast Surgery, Saitama Cancer Center, 818 Komuro Ina, Kita-Adachi, Saitama 362-0806, Japan

^*Corresponding Author: Hiroyuki Takei, Director, Division of Breast Surgery, Saitama Cancer Center, 818 Komuro Ina, Kita-Adachi, Saitama 362-0806, Japan Email:

Keywords: Breast cancer; Tamoxifen; Aromatase inhibitor; Anastrozole; Letrozole; Exemestane; Ethnicity