J Gastric Cancer.  2025 Jan;25(1):5-114. 10.5230/jgc.2025.25.e11.

Korean Practice Guidelines for Gastric Cancer 2024: An Evidence-based, Multidisciplinary Approach (Update of 2022 Guideline)

Affiliations
  • 1Division of Medical Oncology, Department of Internal Medicine, Seoul St. Mary’s Hospital, The College of Medicine, The Catholic University of Korea, Seoul, Korea
  • 2Department of Internal Medicine, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea
  • 3Center for Gastric Cancer, National Cancer Center, Goyang, Korea
  • 4Department of Pathology, School of Medicine, Kyungpook National University, Kyungpook National University, Daegu, Korea
  • 5Division of Medical Oncology, Department of Internal Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea
  • 6Department of Internal Medicine, Hallym University Sacred Heart Hospital, Hallym University Medical Center, Hallym University College of Medicine, Anyang, Korea
  • 7Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
  • 8Departments of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Korea
  • 9Department of Surgery, Pusan National University Hospital, Busan, Korea
  • 10Division of Medical Oncology, Department of Internal Medicine, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Korea
  • 11Division of Oncology, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea
  • 12Department of Radiation Oncology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea
  • 13Department of Hematology and Oncology, Ulsan University Hospital, Ulsan University College of Medicine, Ulsan, Korea
  • 14Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
  • 15Division of Medical Oncology, Department of Internal Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
  • 16Department of Nuclear Medicine and Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea
  • 17Division of Hematology and Oncology, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea
  • 18Department of Radiology, Seoul National University Hospital, Seoul National University College of Medicine, Korea
  • 19Department of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, Korea
  • 20Department of Nuclear Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
  • 21Division of Oncology/Hematology, Department of Internal Medicine, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
  • 22Division of Medical Oncology, Department of Internal Medicine, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
  • 23National Evidence-based Healthcare Collaborating Agency (NECA), Seoul, Korea
  • 24Department of Surgery, Chonnam National University Medical School, Gwangju, Korea
  • 25Department of Radiology, Yonsei University College of Medicine, Seoul, Korea
  • 26Department of Surgery, Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea
  • 27Department of Pathology and Translational Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
  • 28Department of Radiology, National Cancer Center, Goyang, Korea
  • 29Department of Hospital Pathology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
  • 30Division of Hematology-Oncology, Department of Internal Medicine, Samsung Medical Center, Seoul, Korea
  • 31Department of Surgery, Gyeongsang National University Changwon Hospital, Changwon, Korea
  • 32Department of Internal Medicine, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea

Abstract

Gastric cancer is one of the most common cancers in both Korea and worldwide. Since 2004, the Korean Practice Guidelines for Gastric Cancer have been regularly updated, with the 4th edition published in 2022. The 4th edition was the result of a collaborative work by an interdisciplinary team, including experts in gastric surgery, gastroenterology, endoscopy, medical oncology, abdominal radiology, pathology, nuclear medicine, radiation oncology, and guideline development methodology. The current guideline is the 5th version, an updated version of the 4th edition. In this guideline, 6 key questions (KQs) were updated or proposed after a collaborative review by the working group, and 7 statements were developed, or revised, or discussed based on a systematic review using the MEDLINE, Embase, Cochrane Library, and KoreaMed database. Over the past 2 years, there have been significant changes in systemic treatment, leading to major updates and revisions focused on this area. Additionally, minor modifications have been made in other sections, incorporating recent research findings. The level of evidence and grading of recommendations were categorized according to the Grading of Recommendations, Assessment, Development and Evaluation system. Key factors for recommendation included the level of evidence, benefit, harm, and clinical applicability. The working group reviewed and discussed the recommendations to reach a consensus. The structure of this guideline remains similar to the 2022 version. Earlier sections cover general considerations, such as screening, diagnosis, and staging of endoscopy, pathology, radiology, and nuclear medicine. In the latter sections, statements are provided for each KQ based on clinical evidence, with flowcharts supporting these statements through meta-analysis and references. This multidisciplinary, evidence-based gastric cancer guideline aims to support clinicians in providing optimal care for gastric cancer patients.

Keyword

Stomach neoplasms; Chemotherapy; Endoscopy; Surgery; Guidelines
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