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Open-Access Journal
Editorial
What is the purpose of launching World Journal of Gastrointestinal Oncology
Lian-Sheng Ma 
World J Gastrointest Oncol 1(1):1-2. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.1
Telomere function in colorectal cancer 
Cristina Frías, Alberto Morán, Carmen de Juan, Paloma Ortega, Tamara Fernández-Marcelo, Andrés Sánchez-Pernaute, Antonio José Torres, Eduardo Díaz-Rubio, Manuel Benito, Pilar Iniesta 
World J Gastrointest Oncol 1(1):3-11. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.3
Undefined familial colorectal cancer 
Constantinos Pantelis Zambirinis, George Theodoropoulos, Maria Gazouli 
World J Gastrointest Oncol 1(1):12-20. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.12
Observation
Concept of chemoprevention in colorectal cancer 
Colm O’Morain, Asghar Qasim 
World J Gastrointest Oncol 1(1):21-25. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.21
Guidelines For Basic Research
Potential of casein kinase I in digestive cancer screening 
Cristina Modak, Jianyuan Chai 
World J Gastrointest Oncol 1(1):26-33. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.26
Guidelines For Clinical Practice
Positron emission tomography’s changing significance in the treatment of esophageal cancer 
Shane Hopkins, Gary Yang 
World J Gastrointest Oncol 1(1):34-37. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.34
Pancreatic cancer: A model cancer for the study of the therapeutic effects of anticoagulants 
Anthony Maraveyas 
World J Gastrointest Oncol 1(1):38-40. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.38
Review
Hypermethylation of tumor suppressor and tumor-related genes in neoplastic and non-neoplastic gastric epithelia 
Gen Tamura 
World J Gastrointest Oncol 1(1):41-46. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.41
Newly emerging standard chemotherapies for gastric cancer and clinical potential in elderly patients 
Shinichi Sakuramoto, Keishi Yamashita, Masahiko Watanabe 
World J Gastrointest Oncol 1(1):47-54. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.47
Original Article
Clinical value of 18F-FDG PET/CT in assessing suspicious relapse after rectal cancer resection 
Long Sun, Yong-Song Guan, Wei-Min Pan, Zuo-Ming Luo, Ji-Hong Wei, Long Zhao, Hua Wu 
World J Gastrointest Oncol 1(1):55-61. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.55
Brief Article
Vascular endothelial growth factor, p53, and the H-ras oncogene in Egyptian patients with bladder cancer 
Farha A El-Chennawi, Fatma A Auf, Shereen S Metwally, Youssef M Mosaad, Atallah A Shaaban, Mahmoud Abdo El-Baz, Ziyad E Tawhid, Zakaria F Lotfy 
World J Gastrointest Oncol 1(1):62-68. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.62
Comparison between colorectal low- and high-grade mucinous adenocarcinoma with MUC1 and MUC5AC 
Masayuki Onodera, Takashi Nishigami, Ikuko Torii, Ayuko Sato, Li-Hua Tao, Tatsuki R Kataoka, Reigetsu Yoshikawa, Tohru Tsujimura 
World J Gastrointest Oncol 1(1):69-73. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.69
Selenium as a chemopreventive agent in experimentally induced colon carcinogenesis 
Fereshteh Ezzati Ghadi, Abdollah Ramzani Ghara, Shalmoli Bhattacharyya, Devinder Kumar Dhawan 
World J Gastrointest Oncol 1(1):74-81. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.74
Studies on activity of various extracts of Mentha arvensis Linn against drug induced gastric ulcer in mammals 
Ramesh L Londonkar, Pramod V Poddar 
World J Gastrointest Oncol 1(1):82-88. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.82
Case Report
Ileal inflammatory fibroid polyp causing chronic ileocolic intussusception and mimicking cecal carcinoma 
Naveen Gara, John S Falzarano, Whitney ML Limm, Thomas S Namiki, Laurie KS Tom 
World J Gastrointest Oncol 1(1):89-92. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.89
Gastric amyloidoma in patient after remission of Non-Hodgkin’s Lymphoma 
Charles Philip Koczka, Adam J Goodman 
World J Gastrointest Oncol 1(1):93-96. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.93
Appendix
Instructions to authors 
 
World J Gastrointest Oncol 1(1):99-102. Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.99