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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®), MEDLINE, PubMed, PubMed Central, 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 (38446), Duration of Peer Review (23 days/Mean), Days from Submission to First Decision (41 days/Mean), Second Decision Time (36 days/Mean), Accepted (30.8%/Mean), Production Time (57 days/Mean), Time to Publication (177 days/Mean), and Rejected (61.5%/Mean).
Editorial
Opinion Review
Ilektra Kyrochristou, Gerasimia D Kyrochristou, Georgios D Lianos 
World J Gastroenterol 32(32):118014. Published online Aug 28, 2026. doi: 10.3748/wjg.118014
Review
Paola Cesaro, Alberto Zaniboni, Elisa Tabbone, Edoardo Pezzuto, Daniele Salvi, Sara Cherri 
World J Gastroenterol 32(32):120118. Published online Aug 28, 2026. doi: 10.3748/wjg.120118
Minireviews
Yu-Wei Liu, Yi-Ke Chen, Jin-Yang Yan, Hua Shen, Fang-Ming Mai, Zheng-Hui Kong, Hui-Long Chen, Li-Ping Li, Wei-Ping Liu, Yong Gao, Lun Zhang 
World J Gastroenterol 32(32):119965. Published online Aug 28, 2026. doi: 10.3748/wjg.119965
Retrospective Cohort Study
Margarida Saraiva, Daniel Conceição, Luís Correia Gomes, Joana Lemos Garcia, Pedro Currais, Carolina Simões, Joana Moleiro, Pedro Lage, Paulo Ramos, Cecília Monteiro, Rui Casaca, Isadora Rosa 
World J Gastroenterol 32(32):119202. Published online Aug 28, 2026. doi: 10.3748/wjg.119202
Retrospective Study
Yang-Kun Wang, Fa-Shun Zhang, Xing-Hai Liao, Chao-Ya Zhu, Ying-Ying Li, Bo Jiang, Su-Nan Wang, Yu Fan 
World J Gastroenterol 32(32):120382. Published online Aug 28, 2026. doi: 10.3748/wjg.120382
Observational Study
Tian-Shuai Zhang, Xiao-Ming Zhu, Rong-Bo Wen, Le-Qi Zhou, Hai-Feng Gong, En-Da Yu, Hao Wang, Gang Li, Wei-Ping Zhou, Li-Qiang Hao, Guan-Yu Yu, Wei Zhang 
World J Gastroenterol 32(32):119375. Published online Aug 28, 2026. doi: 10.3748/wjg.v32.i32.119375
Prospective Study
Su Chen Fong, Sweet Ping Ng, Dominic Italiano, William Chung, Karl Vaz, Michael Fink, Mark Goodwin, Dinesh Ranatunga, Richard Khor 
World J Gastroenterol 32(32):118570. Published online Aug 28, 2026. doi: 10.3748/wjg.118570
Basic Study
Yong-Xiang Li, Hui-Zhen Wang, Ke-Xun Yu, Wan-Jing Chen, Meng-Di Ma 
World J Gastroenterol 32(32):119744. Published online Aug 28, 2026. doi: 10.3748/wjg.119744
Correspondence
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