Affiliation: | (1) Division of Digestive Endoscopy and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Chiba, Japan;(2) Department of Surgical and Molecular Pathology, Dokkyo University School of Medicine, Tochigi, japan;(3) Division of Pathology, National Cancer Center Research Institute East, Kashiwa, Chiba, Japan;(4) Department of Surgical and Molecular Pathology, Dokkyo University School of Medicine, 880 Kitakobayashi, Mibu, Shimotuga, Tochigi 321-0193, Japan |