Affiliation: | 1. Department of Anatomical Pathology, Aizawa Hospital, Matsumoto 390–8510, Japan;2. Department of Pathology, School of Medicine, Keio University, Tokyo 160–8582, Japan;3. Department of Surgery, Aizawa Hospital, Matsumoto 390–8510, Japan;4. Department of Surgical Pathology, Hyogo College of Medicine, Nishinomiya 663–8501, Japan |