RT Journal Article SR Electronic A1 Cunningham, Muriel T1 Highlights and Future Directions in AI Clinical Research JF MD Conference Express YR 2014 FD SAGE Publications VO 14 IS 56 SP 16 OP 16 DO 10.1177/1559897715572118 UL http://mdc.sagepub.com/content/14/56/16.abstract AB Aromatase inhibitors are important agents used for the adjuvant treatment of early hormone receptor-positive breast cancer in postmenopausal women. Studies in early stage breast cancer are ongoing to determine if the cellular proliferation biomarker Ki67 predicts patient response to therapy. Genetic analysis of biopsy specimens may help identify resistance mechanisms.