1. Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
2. Department of Surgery, Changwon Fatima Hospital, Changwon, Korea.
3. Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
4. Division of Breast and Endocrine Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.