Tabriz University of Medical Sciences Journal of Research in Clinical Medicine 2717-0616 5 2 2017 06 20 Effective factors on 3-year mortality of operated gastric cancer at Modarres Hospital during 5 years 58 61 10.15171/jarcm.2017.011 EN Barmak Gholizade Nasser Malekpour Journal Article 10.15171/jarcm.2017.011 2017 05 13 2017 05 17 Introduction: Gastric cancer is one of most common and fatal malignancies worldwide. Majority of patients have advanced stage when visiting the physician. The aim of this study was to investigate the associated factors with mortality of operated gastric cancer at Modarres Hospital, Tehran, Iran. Methods: All patients with gastric cancer that referred to Modarres Hospital between 2011 and 2016 were included in this study and data were gathered through patients’ medical records and telephone interviews. Analysis was done by SPSS software. Results: In this study 73 patients with gastric cancer participated. Three-years mortality was 72.1%. There was a significant association between the stage of cancer and mortality rate. Although mortality reduced by using neoadjuvant therapy.Conclusion: High mortality of patients with gastric cancer in this study was directly related to higher stage of cancer and lack of a neoadjuvant therapy.