In 2017, the World Journal of Gastrointestinal Endoscopy (WJGE) has published the 12^nd issue which containing 5 articles contributed by scientists worldwide. Among these comprehensive articles are (1) “Gastric endoscopic submucosal dissection as a treatment for early neoplasia and for accurate staging of early cancers in a United Kingdom Caucasian population”, an Original Article by Yeng Ang, MD, Doctor, Full Professor, et al from the Department of Gastroenterology, Salford Royal NHS Foundation Trust, United Kingdom; and (2) “Retroperitoneal epithelioid sarcoma: A case report”, a Case Report by José A Coronado, MD, Endoscopy Fellow, et al from the Division of Gastrointestinal Endoscopy, Hospital Juarez de Mexico, Mexico, etc. We invite you to peruse all 5 articles in this issue, as they present the latest research progress/findings and provide insightful comments in gastrointestinal endoscopy 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 9, Issue 12, December 16, 2017.

Figure 1 The cover of the issue. Editorial Board Member of World Journal of Gastrointestinal Endoscopy, Gelu Osian, MD, PhD, Doctor, Head, Surgeon, Multi Organ Transplant Center, Department of Transplant Surgery, King Fahad Specialist Hospital-Dammam, Dammam 31444, Eastern Province, Saudi Arabia

The WJGE is a leading academic journal devoted to reporting the latest, cutting-edge research progress and findings of basic research and clinical practice in the field of gastrointestinal endoscopy. It was launched on October 15, 2009 and is published monthly (12 issues annually) by BPG, the world's leading professional clinical medical journal publishing company.

We encourage gastrointestinal endoscopists worldwide to submit manuscripts to the WJGE describing their original basic or clinical research findings that are of high academic valueand which report new diagnostic techniques or summarize their treatment experiences.

We invited the readers to download and read the E-Journal of this issue, at: http://www.wjgnet.com/1948-5190/e-journal.htm.