Institution: | (1) Department of Pediatric Surgery, Koshigaya Hospital, Dokkyo University School of Medicine, 2-1-50 Minami-Koshigaya, 343-8555 Koshigaya, Saitama, Japan;(2) Department of Pathology, Koshigaya Hospital, Dokkyo University School of Medicine, Koshigaya, Japan;(3) Department of Radiology, Koshigaya Hospital, Dokkyo University School of Medicine, Koshigaya, Japan |