Merdan Fayda is an associate professor at Istanbul University, Institute of Oncology, Dept. Of Radiation Oncology. He has been working in the field of radiation oncology since 1999, when he began his education at Istanbul University‘s Institute of Oncology Dept. of Radiation Oncology. Since then, Dr. Fayda has been involved with the Italian Hospital Dept. of Radiation Oncology, Gulhane Military Medical Academy, Dept. of Radiation Oncology, Kocaeli University Faculty of Medicine, Department of Radiation Oncology, and his current affiliation with Istanbul University Institute of Oncology, Department of Radiation Oncology. Dr. Fayda is a member of the Turkish Society of Radiation Oncology, ASTRO and ESTRO. He has several publications which include his thesis on Patient and treatment related factors affecting locoregional recurrence after post-mastectomy adjuvant radiotherapy’, Axillary versus sentinel-lymph-node dissection for micrometastatic breast cancer and his most recent publication of The diagnostic, predictive, and prognostic role of serum epithelial cell adhesion molecule (EpCAM) and vascular cell adhesion molecule-1 (VCAM-1) levels in breast cancer.