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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
18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
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 2025 edition of Journal Citation Reports® cites the 2024 journal impact factor (JIF) for WJG as 5.4; JIF without journal self cites: 5.1; 5-year JIF: 5.3; JIF Rank: 22/147 in gastroenterology and hepatology; JIF Quartile: Q1; and 5-year JIF Quartile: Q1.

The WJG’s CiteScore for 2024 is 8.1 and Scopus CiteScore rank 2024: Gastroenterology is 20/173.

ISSN
1007-9327 (print) and 2219-2840 (online)
Latest Manuscript Statistics
Received (37480), Duration of Peer Review (24 days/Mean), Days from Submission to First Decision (41 days/Mean), Second Decision Time (37 days/Mean), Accepted (31.1%/Mean), Production Time (56 days/Mean), Time to Publication (177 days/Mean), and Rejected (61.5%/Mean).
Review
Antonietta G Gravina, Raffaele Pellegrino, Michele Izzo, Ilaria De Costanzo, Giuseppe Imperio, Assunta Tambaro, Alessia Lamart, Fabio Landa, Alessandro Federico 
World J Gastroenterol 32(18):118390. Published online May 14, 2026. doi: 10.3748/wjg.v32.i18.118390
Minireviews
Alberto Ferrarese, Mara Cananzi, Luca Bosa, Marco Senzolo, Giacomo Germani, Laura Marta Vivian, Claudia Mescoli, Annalisa Dolcet, Enrico Gringeri, Lorenzo D’Antiga, Marco Spada, Jorge Amil Dias, Umberto Cillo, Patrizia Burra 
World J Gastroenterol 32(18):116902. Published online May 14, 2026. doi: 10.3748/wjg.v32.i18.116902
Retrospective Cohort Study
Retrospective Study
Xin Jin, Tian-Ming Xu, Ge-Chong Ruan, Xing-Fang Zhang, Xue-Yan Chen, Xiao-Qing Li, Hao Tang, Hui Xu, Qi-Pu Wang, Wei Liu, Ji Li 
World J Gastroenterol 32(18):116229. Published online May 14, 2026. doi: 10.3748/wjg.v32.i18.116229
Observational Study
Hang Thi Thu Le, Hung Xuan Le, Dao Thi Huyen, Tuan-Anh Tran, Dong Van Quyen, Le Huu Song, Thuan Van Tran, Olivier Thas, Pham Thi Tuyet Nhung, Tam Thi Thanh Tran 
World J Gastroenterol 32(18):118267. Published online May 14, 2026. doi: 10.3748/wjg.v32.i18.118267
Prospective Study
Basic Study
Qi-Hang Yan, Chen-Di Xu, Zhen-Guo Li, Yu-Zhen Zheng, Wing-Shing Wong, Da-Chuan Liang, Jie Yang, Wu-Guang Chang, Jun-Ye Wang 
World J Gastroenterol 32(18):114713. Published online May 14, 2026. doi: 10.3748/wjg.v32.i18.114713
Case Report
Daisuke Tomita, Masayoshi Yamamoto, Masato Wakamatsu, Ryo Shibayama, Yusuke Maeda, Kosuke Hiramatsu, Yutaka Hanaoka, Shigeo Toda, Masashi Ueno, Shuichiro Matoba, Hiroya Kuroyanagi 
World J Gastroenterol 32(18):118499. Published online May 14, 2026. doi: 10.3748/wjg.v32.i18.118499
Correspondence
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