I am Shinya Tajima MD, PhD from Japan. I graduated Keio University School of Medicine. After graduated the university, working in Department of Pathology at the same institution. I learned general pathology. Then I would like to be a specialist of breast pathology. I affiliated St. Marianna University which is the most breast operation number in Japanese university. I received PhD in Radiologic-Pathology from the same Graduate School of Medicine, Kanagawa, Japan. I worked at the Department of Pathology and Radiology of this latter institution. Now I am working at Department of Diagnostic Pathology of Shizuoka Medical Center.