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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 (39318), 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
Yue-Cui Tang, Ru-Ping Gao, Yu-Xi Lv, Yu Wang, Xiao-Bo Guo 
World J Gastroenterol 32(44):121972. Published online Nov 28, 2026. doi: 10.3748/wjg.121972
Minireviews
Case Control Study
Bayian Habudai, Sheng-Long Xue, Wen-Jie Kong, Lin Yu, Tian Shi, Jing-Jing Xie, Ruxianguli Maimaiti, Feng Gao 
World J Gastroenterol 32(44):122239. Published online Nov 28, 2026. doi: 10.3748/wjg.122239
Retrospective Cohort Study
Jiang-Wei Sun, Mei-Ling Li, Wan-Shui Yang, Karl Mårild, Johan Sundström, David Bergman, Fahim Ebrahimi, Jonas Halfvarson, Ola Olén, Jonas F Ludvigsson 
World J Gastroenterol 32(44):120965. Published online Nov 28, 2026. doi: 10.3748/wjg.120965
Xin Gao, Feng Peng, Ju-Kun Su, Yi-Yang Kuai, Jun-Sheng Chen, Xing-Min Yan, Wen-Zheng Liu, De-Yu Li, Chuang Peng, Rui-Zhi He, Yong-Jun Chen 
World J Gastroenterol 32(44):121637. Published online Nov 28, 2026. doi: 10.3748/wjg.121637
Retrospective Study
Kun Huang, Hai-Yang Hu, Kai Chen, Xing-Yu Chen, Zhu Chen, Yu Sun, Cheng-You Du, Gui-Xiong Chang, Hao Fu, Cong Hu, Heng Xiao, Xiang Lan 
World J Gastroenterol 32(44):120736. Published online Nov 28, 2026. doi: 10.3748/wjg.120736
Observational Study
Randomized Controlled Trial
Randomized Clinical Trial
Ke-Han Yin, Xiao-Yu Wang, Xin-Yuan Wang, Li Cheng, Bo Wang, Qian-Qian Wang, Ying Qiao, Xing-Ru Tang, Xiu-Juan Yan, Sheng-Liang Chen 
World J Gastroenterol 32(44):122876. Published online Nov 28, 2026. doi: 10.3748/wjg.122876
Basic Study
Case Report
Tao Huang, Yu-Long He, Guang Fu, Ling Chen, Shi-Tao Huang, Li-Ping Liu 
World J Gastroenterol 32(44):122438. Published online Nov 28, 2026. doi: 10.3748/wjg.122438
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