FUJITA Akihisa¹, KIYOMIZU Masaru¹, SAKURAYAMA Chieko¹, EBARA Miwa¹, KOBAYASHI Keishou¹, MATSUKAWA Miho², ARAI Tomio³, ISSHIKAWA Joji⁵, MORI Hideaki⁴ (1.Department of Physiological Labaratory, Tokyo Metropolitan Geriatric Hospital, 2.Department of Gastroenterology, Tokyo Metropolitan Geriatric Hospital, 3.Department of Pathology, Tokyo Metropolitan Geriatric Hospital, 4.The Third Department of Internal Medicine, Kyorin University School of Medicine, 5.Department of Cardiology, Tokyo Metropolitan Geriatric Hospital)

WAKASUGI Satoshi, ITO Shun, ONO Satoshi, UMEKI Kiyotaka (Department of Gastroenterology, Chibanishi General Hospital)

YASUE Tomomi¹, MATSUNO Noritoshi¹, MISU Kozo¹, TAKADA Ryoji², FUKUTAKE Nobuyasu², IKEZAWA Kenji², ASHIDA Reiko³, OHKAWA Kazuyoshi² (1.Department of Clinical Laboratory, Osaka International Cancer Institute, 2.Department of Hepatobiliary and Pancreatic Oncology, Osaka International Cancer Institute, 3.Department of Gastrointestinal Cancer Screening and Surveillance, Osaka International Cancer Institute)

KISHI Kazuhiro¹, FUJISAKI Yukiko², FUKURA Kanae², FUJINAKA Chihiro², MATSUMOTO Reika¹, FUKUNO Hiroshi¹, KISHI Fumiko¹, KAKIUCHI Souji¹ (1.Department of Internal Medicine, Tokushima Municipal Hospital, 2.Department of Clinical Laboratory, Tokushima Municipal Hospital)

UCHIDA Mayu¹, YASUE Tomomi¹, NOGUCHI Mana¹, NISHIURA Akiho¹, MATSUNO Noritoshi¹, MISU Kozo¹, ABE Yutaro², NAWA Takatoshi², OHKAWA Kazuyoshi² (1.Department of Clinical Laboratory, Osaka International Cancer Institute, 2.Department of Hepatobiliary and Pancreatic Oncology, Osaka International Cancer Institute)