From the *Department of Human Pathology, Kanazawa University Graduate School of Medicine, Kanazawa; †Department of Pathology, Fukui Saiseikai Hospital, Fukui; ‡Pathology Section, Kanazawa University Hospital, Kanazawa; §The Watanabe's Consultancy for Pathological Diagnosis, Kanazawa; ∥Department of Pathology, Ishikawa Prefectural Central Hospital, Kanazawa; ¶Department of Pathology, Kouseiren Takaoka Hospital, Takaoka; #First Department of Pathology, Toyama Medical and Pharmaceutical University School of Medicine, Toyama; **Department of Pathology, Toyama City Hospital, Toyama; and ††Department of Pathology, Kurobe City Hospital, Kurobe, Japan.