Affiliation: | (1) Department of Gastrointestinal Oncology, The Center for Adult Diseases, Osaka, 3-3, Nakamichi 1-chome, Higashinari-ku, 537 Osaka, Japan;(2) Department of Gastroenterology, The Center for Adult Diseases, Osaka, 3-3, Nakamichi 1-chome, Higashinari-ku, 537 Osaka, Japan;(3) Department of Cytology, The Center for Adult Diseases, Osaka, 3-3, Nakamichi 1-chome, Higashinari-ku, 537 Osaka, Japan;(4) Department of Ultrasound, The Center for Adult Diseases, Osaka, 3-3, Nakamichi 1-chome, Higashinari-ku, 537 Osaka, Japan |