Dr. Aysegul Sahin is an internationally recognized breast pathology expert who is a faculty member at MD Anderson Cancer Center since 1988. Currently, she is the Director of the Breast Pathology Fellowship Program. She is also the Director of the Breast Tumor Bank. Dr. Sahin is actively involved with clinical and translation research programs related to breast cancer. She has published over 290 peer-reviewed manuscripts on breast pathology especially on morphologic features of invasive and in-situ carcinomas, and high-risk lesions biomarkers of breast cancer progression, prognostic and predictive marker evaluations in breast cancer. Dr. Sahin has also published multiple book chapters on pathology of breast lesions. She is an executive committee member of International Society of Breast Pathology and member of national and international pathology societies.