【正】GENERAL INFORMATION World Journal of Gastrointestinal Oncology(World J Gastrointest Oncol,WJGO,ISSN 1948-5204,DOI:10.4251),is a monthly,open-access (OA),peer-reviewed journal supported by an editorial board of 404 experts in gastrointestinal oncology from 41 countries.The biggest advantage of the OA model is that it provides free,full-text articles in PDF and other formats for experts and the public without registration,which eliminates the obstacle that traditional