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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 >>

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 (39534), Duration of Peer Review (23 days/Mean), Days from Submission to First Decision (41 days/Mean), Second Decision Time (37 days/Mean), Accepted (30.3%/Mean), Production Time (58 days/Mean), Time to Publication (178 days/Mean), and Rejected (61.3%/Mean).
Opinion Review
Francesca Colapietro, Maurizia Rossana Brunetto, Nicola Coppola, Stefano Fagiuoli, Pietro Lampertico 
World J Gastroenterol 32(48):121052. Published online Dec 28, 2026. doi: 10.3748/wjg.121052
Evidence Review
Long Li, Qing-Bin Kong, Xin Sui, Xin-Jian Wang 
World J Gastroenterol 32(48):125373. Published online Dec 28, 2026. doi: 10.3748/wjg.125373
Review
Charles Adolfu Shirima, Gibson Albert Sabuholo, Lucia Bubulac, Priya Patel, Gratiela Gradisteanu Pircalabioru 
World J Gastroenterol 32(48):119352. Published online Dec 28, 2026. doi: 10.3748/wjg.119352
Minireviews
Retrospective Cohort Study
Xin-Yi Guo, Jing-Zhao Zhang, Tong Guo, Xiao-Rui Huang, Deng-Sheng Zhu, Zhen Zhang, Huan Zheng, Ya-Hong Yu, Zhi-Wei Zhang 
World J Gastroenterol 32(48):122776. Published online Dec 28, 2026. doi: 10.3748/wjg.122776
Retrospective Study
William C Cho, Wing S Yu, Tsz C Hon, Elaine T Y Cheung, Xiao Q Wang, Dennis A Wong, Cesar S C Wong, Wah Cheuk, John M Luk 
World J Gastroenterol 32(48):121570. Published online Dec 28, 2026. doi: 10.3748/wjg.121570
Li-Xiang Zhang, Ning Chang, Ye-Zhou Su, Yong-Hui Zhang, Xiao-Dong Zhu, Hai Zhu, En-Ze Zhou, Min-Zhi Sun, Pan-Quan Luo, A-Man Xu, Qing Liu, Zhi-Jian Wei 
World J Gastroenterol 32(48):121672. Published online Dec 28, 2026. doi: 10.3748/wjg.121672
Bo Li, Xiao-Zhen Wei, Jiu-Lin Song, Tao Lv, Jian Yang, Yu-Kui Ma, Ji-Chun Zhao, Min Jiang, Jia-Yin Yang, Bin Huang 
World J Gastroenterol 32(48):121888. Published online Dec 28, 2026. doi: 10.3748/wjg.121888
Observational Study
Bi-Qin Lin, Shui-Fen Ye, Si-Min Zou, Long-Lu Wang, Li-Ming Tang, Chun-Mei Huang, Cun-Lan Luo, Wei-Kun Huang, Wei-Wei Deng, Dong-Qin Lai, Xiao-Li Li, Ting Qiu, Han-Zhong Qiu, Mei-E Zeng 
World J Gastroenterol 32(48):122494. Published online Dec 28, 2026. doi: 10.3748/wjg.122494
Basic Study
Jia-Lin Shi, Tauqeer Muhammad, Ting-Ting He, Zhu-Ying Lin, Tian-Gui Zhang, Shi-Yue Liu, Xiao-Lei Yang, Yao Yang, Lei Hu, Pan Ran, Muhammad Numan, Jiang Li 
World J Gastroenterol 32(48):122778. Published online Dec 28, 2026. doi: 10.3748/wjg.122778
Meta-Analysis
Rohab Sohail, Zaraq Khan, Haider Hussain Shah, Jason Orciuolo, Dwight Fan, Rohan Patel, Ana Estrada Zamudio, Shahryar Chaudhry, Ridda Khattak, Mithil Gowda Suresh 
World J Gastroenterol 32(48):120932. Published online Dec 28, 2026. doi: 10.3748/wjg.120932
Case Report
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