In 2018, the World Journal of Gastroenterology (WJG) has published the 15^th issue which containing 8 articles including 4 reviews, and 6 original articles contributed by scientists worldwide. Among these comprehensive articles are (1) “Multiomics biomarkers for the prediction of nonalcoholic fatty liver disease severity”, a minireviews by Silvia Sookoian, MD, PhD, Senior Scientist, from Clinical and Molecular Hepatology, University of Buenos Aires, Institute of Medical Research A Lanari, Buenos Aires, Argentina, National Scientific and Technical Research Council-University of Buenos Aires. Institute of Medical Research, Argentina; (2) “Evaluation of safety for hepatectomy in a novel mouse model with nonalcoholic-steatohepatitis”, a basic study by Nobuhiro Ohkohchi, MD, PhD, Professor, Surgeon, et al from Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, Japan; and (3) “Analysis of aggressiveness factors in hepatocellular carcinoma patients undergoing transarterial chemoembolization”, a retrospective study by Oren Shibolet, MD, et al from Liver Unit, Department of Gastroenterology and Hepatology, Tel-Aviv Medical Center, Israel, etc. We invite you to peruse all 10 articles in this issue, as they present the latest research progress/findings and provide insightful comments in gastroenterology and hepatology that will guide basic research and clinical practice in these fields.

This journal is an open-access journal which allows free immediate access to all full-text articles. For details, please visit: Volume 24, Issue 15, April 21, 2018.

Figure 1 The cover of the issue. Editorial board member of World Journal of Gastroenterology, Frank I Tovey, FRCS(Hon), Honorary Research Felllow, Department of Surgery, University College London, London W1W 7EJ, United Kingdom

We encourage gastroenterologists and hepatologists worldwide to submit manuscripts to the WJG describing their original basic or clinical research findings that are of high academic value and which report new diagnostic techniques or summarize their treatment experiences.

We invited the readers to download and read the E-Journal of this issue.