Affiliation: | 1. Department of Pathology, Cancer Center, Dongnam Institute of Radiological and Medical Sciences (DIRAMS), Busan, South Korea;2. Department of Pathology, Chung–Ang University Hospital, Chung–Ang University College of Medicine, Seoul, South Korea;3. Department of Pathology, Seoul National University Bundang Hospital, Seongnam, Gyeonggi, South Korea;4. Department of Pathology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, South Korea |