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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 (39359), 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 (61.2%/Mean).
Review
Minireviews
Yu-Han Wei, Shun-Chao Zhang, Bing-Jie Guan, Jia-Ning Jian, Chun-Guang Li, Ze-Kun Wang, Hao-Ran Qu, Zhi-Gang Li, Meng-Ya Liu, Jun-Tao Wang 
World J Gastroenterol 32(45):122906. Published online Dec 7, 2026. doi: 10.3748/wjg.122906
Retrospective Cohort Study
Manjeet K Goyal, Rishi Chowdhary, Megh Patel, Marc Landsman, Kirti Arora, Shivam Kalra, Rahul Chowdhary, Ashita R Vuthaluru, Sowmya Durga Subhasri Guna, Vishal Sharma 
World J Gastroenterol 32(45):120646. Published online Dec 7, 2026. doi: 10.3748/wjg.120646
Retrospective Study
Qi-Ming Zheng, Chi-Yi Chen, Li Zhang, Ji-San Sun, Hong-Hai Wang, Yan Xie, Qing-Jun Guo, Wen-Tao Jiang 
World J Gastroenterol 32(45):121126. Published online Dec 7, 2026. doi: 10.3748/wjg.121126
Dominik Schulz, Alanna Ebigbo, Eva Holley, Sandra Nagl, Olga Nichiporyk, Andreas Probst, Markus W Scheppach, Christoph Römmele, David Roser, Stephan Zellmer, Helmut Messmann 
World J Gastroenterol 32(45):121242. Published online Dec 7, 2026. doi: 10.3748/wjg.121242
Observational Study
Zi-Qin Zeng, Hai-Yan Yang, Liu-Ying He, Ceng Sun, Jin-Hai Wang, Lei Dong, Jun Gong, Lu Li, Ping Zhao 
World J Gastroenterol 32(45):121414. Published online Dec 7, 2026. doi: 10.3748/wjg.121414
Prospective Study
Basic Study
Systematic Reviews
Case Report
Olanrewaju Adeniran, Hamza Almusabeh, Ayowumi Adekolu, Kareem Diab, Jennifer Hadam, Nida S Bham, Zain A Sobani 
World J Gastroenterol 32(45):122564. Published online Dec 7, 2026. doi: 10.3748/wjg.122564
Zi-Heng Zhao, Jing Qi, Jin-Ming Hu, Ying-Ying Zhao, Ming-Qi Liu, Li Deng, Fan Zhang, Shan-Shan Gao, Kun Li 
World J Gastroenterol 32(45):122826. Published online Dec 7, 2026. doi: 10.3748/wjg.122826
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