Nan Soon Wong, MD

Breast cancer is a systemic diseasewith 10-year relapse risksafter surgery alone ranging between30% and 50%.[1] About 60%to 75% of breast cancers are hormonereceptor–positive[2] and are potentiallyresponsive to endocrine therapy,which remains a cornerstone in the adjuvanttherapy of such tumors in thisera of targeted therapy and genomics.