title: Meeting Report and Special Issue Preface: The 54th Seminar of the Korean Society of Gastrointestinal Endoscopy.
authors.affiliation: Department of Internal Medicine, Inje University Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea.
authors.forename: Won Jae
authors.initials: WJ
authors.lastname: Yoon
authors.affiliation: Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
authors.forename: Jong Kyun
authors.initials: JK
authors.lastname: Lee