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Open-Access Journal
Review
Abnormal DNA methylation as a cell-free circulating DNA biomarker for colorectal cancer detection: A review of literature 
Michail Galanopoulos, Nikolaos Tsoukalas, Ioannis S Papanikolaou, Maria Tolia, Maria Gazouli, Gerassimos J Mantzaris 
World J Gastrointest Oncol 9(4):142-152. Published online Apr 15, 2017. doi: 10.4251/wjgo.v9.i4.142
Basic Study
Effect of Clostridium perfringens enterotoxin on gastric cancer cells SGC7901 which highly expressed claudin-4 protein 
Zheng-Yun Liang, Xing Kang, Hong Chen, Meng Wang, Wen-Xian Guan 
World J Gastrointest Oncol 9(4):153-159. Published online Apr 15, 2017. doi: 10.4251/wjgo.v9.i4.153
Observational Study
Bayesian adjustment of gastric cancer mortality rate in the presence of misclassification 
Nastaran Hajizadeh, Mohamad Amin Pourhoseingholi, Ahmad Reza Baghestani, Alireza Abadi, Mohammad Reza Zali 
World J Gastrointest Oncol 9(4):160-165. Published online Apr 15, 2017. doi: 10.4251/wjgo.v9.i4.160
Macroscopic appearance of Type IV and giant Type III is a high risk for a poor prognosis in pathological stage II/III advanced gastric cancer with postoperative adjuvant chemotherapy 
Keishi Yamashita, Akira Ema, Kei Hosoda, Hiroaki Mieno, Hiromitsu Moriya, Natsuya Katada, Masahiko Watanabe 
World J Gastrointest Oncol 9(4):166-175. Published online Apr 15, 2017. doi: 10.4251/wjgo.v9.i4.166
Prospective Study
Incidence of venous thromboembolism and the role of D-dimer as predictive marker in patients with advanced gastric cancer receiving chemotherapy: A prospective study 
Kwonoh Park, Baek-Yeol Ryoo, Min-Hee Ryu, Sook Ryun Park, Myoung Joo Kang, Jeong Hye Kim, Seungbong Han, Yoon-Koo Kang 
World J Gastrointest Oncol 9(4):176-183. Published online Apr 15, 2017. doi: 10.4251/wjgo.v9.i4.176
Meta-Analysis
Helicobacter pylori recurrence after eradication in Latin America: Implications for gastric cancer prevention 
Juan E Corral, Robertino Mera, Corey W Dye, Douglas R Morgan 
World J Gastrointest Oncol 9(4):184-193. Published online Apr 15, 2017. doi: 10.4251/wjgo.v9.i4.184