YOSHIDA Chioko¹, SHIBATA Satoko¹, MIZUTAMARI Hiroya², TAKAHASHI Satsuki³, NAGANUMA Hiroko⁴, TAKEUCHI Satoko⁴, YOSHIDA Makoto⁵, ISHIDA Hideaki⁶ (1.Medical Laboratory, Hiraka General Hospital, 2.Department of Gastroenterology, Hiraka General Hospital, 3.Department of Pathology, Hiraka General Hospital, 4.Department of Gastroenterology, Yokote Municipal Hospital, 5.Department of Cellular and Organ Pathology, Akita University Grand School of Medicine, 6.Center of Diagnostic Ultrasound, Akita Red Cross Hospital)

HIRACHI Wataru¹, MURAKAWA Miyako^{1, 2}, AOYAGI Eiko¹, SAIKI Yumi¹, SUZUKI Ikue¹, MIYAZAKI Kentarou¹, HAGIHARA Michio¹, KANOUCHI Tadashi¹, ASAHINA Yasuhiro², TOUDA Syuuji¹ (1.Department of Clinical Laboratory, Tokyo Medical and Dental University, Medical Hospital., 2.Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Medical Hospital.)

NAKAJIMA Shunsuke, SAWADA Kouji, HAYASHI Hidemi, HASEBE Takumu, OKUMURA Toshikatsu (Division of Gastroenterology and Hematology/Oncology, Department of Medicine, Asahikawa Medical University)

FUKUI Tomokazu¹, TAKATA Akio², UCHIDA Yusuke¹, MINEMATSU Mineka¹, TANIKAWA Ken³, HIRAKI Mamoru⁴ (1.Yame General Hospital, 2.Asakura Medical Association Hospital, 3.Yame General Hospital, 4.Yame General Hospital)

SHIBUKI Saki¹, SAIDA Tsukasa¹, KAMIMAKI Takashi², SHINKAI Toko³, NASU Katsuhiro¹, MASUMOTO Tomohiko¹, TAKAYASU Hajime³, MINAMI Manabu¹ (1.Diagnostic and Interventional Radiology, University of Tsukuba Hospital, 2.Clinical Laboratory, University of Tsukuba Hospital, 3.Pediatric Surgery, University of Tsukuba Hospital)

ISHIDA Hideaki¹, NAGANUMA Hiroko², OGAWA Masahiro³, SUZUKI Katsunori⁴, MIYAUCHI Takaharu⁵, OHYAMA Yoko⁶, WATANABE Takako⁷ (1.Department of Gastroenterology, Akita Red Cross Hospital, 2.Department of Gastroenterology, Yokote Municipal Hospital, 3.Department of Gastroenterology and Hepatology, Nihon University Hospital, 4.Department of Gastroenterology, Yamagata Prefectural Central Hospital, 5.Department of Radiology, Akita Red Cross Hospital, 6.Department of Medical Laboratory, Akita Kousei Medical Center, 7.Department of Medical Laboratory, Akita Red Cross Hospital)