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Welcome to the World Journal of Gastroenterology

World Journal of Gastroenterology is an international, peer-reviewed, open-access journal dedicated to advancing cutting-edge research and clinical practice across the full spectrum of gastroenterology and hepatology. The journal prioritizes the publication of innovative, high-impact studies that enhance understanding of gastrointestinal diseases and improve patient outcomes worldwide. It serves as a global platform for the dissemination of clinically relevant, translational, and basic research, with a strong emphasis on bridging bench-to-bedside applications. The scope of the journal includes, but is not limited to: Gastroenterology and hepatology, gastrointestinal oncology and precision medicine, endoscopy and minimally invasive interventions, gastrointestinal surgery, epidemiology and population health, mechanistic research (genetics, molecular biology, and immunology), diagnostic imaging and pathology, and nutrition and multidisciplinary care. Particular emphasis is placed on emerging and transformative areas, including artificial intelligence–driven diagnostics, predictive modeling, and decision support systems in gastrointestinal medicine. The journal welcomes studies addressing diseases of the esophagus, stomach, small intestine, colon and rectum, pancreas, gallbladder, bile ducts, and liver. The journal publishes a diverse range of article types, including: Original clinical and basic research, translational studies, systematic reviews and meta-analyses, reviews and mini-reviews, guidelines and expert consensus, editorials and correspondences, and case reports. All submissions undergo a rigorous and transparent peer-review process by at least two independent reviewers. Manuscripts are evaluated based on scientific rigor, originality, clinical relevance, and reproducibility, with particular attention to methodological robustness and data integrity. Constructive and timely feedback is provided to ensure the highest standards of scholarly communication. The journal adheres to the highest standards of publication ethics and editorial integrity, in accordance with the guidelines of the Committee on Publication Ethics, the International Committee of Medical Journal Editors, and the World Association of Medical Editors. To advance scientific discovery, promote evidence-based clinical practice, and foster innovation in gastrointestinal medicine, ultimately improving global health outcomes. We invite researchers, clinicians, and multidisciplinary experts worldwide to submit high-quality manuscripts and contribute to shaping the future of gastrointestinal science. Submit Your Manuscript >>

2026 Published Issues
Editors-in-Chief
  • Andrzej S Tarnawski, MD, PhD, Professor, (Email: atarnawski@yahoo.com) Department of Gastroenterology Research, University of California Irvine and The Veterans Administration Long Beach Healthcare System, Long Beach, CA 90822, United States
Indexing/Abstracting

The WJG is now abstracted and indexed in Science Citation Index Expanded (SCIE, also known as SciSearch®), Scopus, Reference Citation Analysis, China Science and Technology Journal Database, and Superstar Journals Database.

Journal Metrics

The 2026 edition of Journal Citation Reports® cites the 2025 journal impact factor (JIF) for WJG as 7.7; JIF without journal self cites: 7.4; 5-year JIF: 6.2; JIF Rank: 20/153 in gastroenterology and hepatology; JIF Quartile: Q1; and 5-year JIF Quartile: Q1. 

The WJG’s CiteScore for 2025 is 8.3 and Scopus CiteScore rank 2025: Gastroenterology is 17/176.

ISSN
1007-9327 (print) and 2219-2840 (online)
Latest Manuscript Statistics
Received (38762), Duration of Peer Review (23 days/Mean), Days from Submission to First Decision (41 days/Mean), Second Decision Time (37 days/Mean), Accepted (30.6%/Mean), Production Time (58 days/Mean), Time to Publication (178 days/Mean), and Rejected (61.6%/Mean).
Editorial
Xia Yao, Xue-Yuan Hu, Hong-Fei Tan, Jing-Feng Tang, Rui Zhang, Ce-Fan Zhou 
World J Gastroenterol 32(37):119058. Published online Oct 7, 2026. doi: 10.3748/wjg.119058
Opinion Review
Minireviews
Chiara Morelli, Ilaria Villanova, Giovanni Lorusso, Mariacristina Cozzi, Sara Greco, Roberto Calbi, Nicola Maggialetti, Angela Calabrese 
World J Gastroenterol 32(37):120384. Published online Oct 7, 2026. doi: 10.3748/wjg.120384
Retrospective Study
Miao Li, Xiao-Ying Lou, Zhong-Cheng Liu, Bo Peng, Yan Huang, Qin Guo 
World J Gastroenterol 32(37):119611. Published online Oct 7, 2026. doi: 10.3748/wjg.119611
Clinical Trials Study
Chang Kyo Oh, Hyun Lim, Jin Hee Noh, Eun Jeong Gong, Seung In Seo, Chang Seok Bang, Yu Jin Kim, Woon Geon Shin, Jin Bae Kim, Hyun Joo Jang, Gwang Ho Baik 
World J Gastroenterol 32(37):119668. Published online Oct 7, 2026. doi: 10.3748/wjg.119668
Observational Study
Basic Study
Xiao-Yan Liu, Zi-Xuan Liu, Wei-Wei Tan, Wei-Bing Zhang, Dan Qiao, Shuo-Han Chen, Ya-Li Zhang, Lie Zheng, Wen-Song Ge, Yan-Cheng Dai 
World J Gastroenterol 32(37):120885. Published online Oct 7, 2026. doi: 10.3748/wjg.120885
Jie Zhou, Xiao-Ling Tian, Yi-Fang Zhou, Zhuo-Yu Zhou, Nian-Hua Tan, Bin Chen 
World J Gastroenterol 32(37):121244. Published online Oct 7, 2026. doi: 10.3748/wjg.121244
Meta-Analysis
Ruggiero Francavilla, Andrea Iannone, Fernanda Cristofori, Alessia Cafforio, Vanessa N Dargenio, Giovanni La Grasta, Viviana F Brindicci, Stefania P Castellaneta, Michele Barone 
World J Gastroenterol 32(37):119222. Published online Oct 7, 2026. doi: 10.3748/wjg.119222
Case Report
Correspondence
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