• Cemil Yüksel, Ogün Erşen, Serdar Culcu, Batuhan Bakırarar, Ali Ekrem Unal, and Salim Demirci.
• Department of Surgical Oncology, University of Health Science, Ankara Abdurrahman Yurtaslan Oncology Training and Research Hospital, Turkey.
• J Coll Physicians Surg Pak. 2021 Jan 1; 31 (1): 21-26.

ObjectiveTo investigate the prognostic effect of red distribution width (RDW) in patients with gastric cancer.Study DesignObservational study.Place And Duration Of StudyDepartment of Surgical Oncology, Ankara University School of Medicine, between November 2010 and January 2020.MethodologyPatients diagnosed with adenocarcinoma by biopsy, who underwent radical surgery and lymph node dissection, and had preoperative RDW value, were inducted. Patients who had history of active inflammation in the past three months, received treatment for hematology disorder, blood transfusion, malignancy other than gastric cancer, autoimmune disease, venous thrombosis, or under 18 years of age, and those having cardiac and cerebrovascular diseases and distant metastases were excluded from the study. Apart from diagnosis, preoperative blood values, clinicopathologial, demographic features, and follow-up data were included in the study.ResultsRDW average value was 15.11 ± 2.87 and median value was 14.3%. For RDW cut off value, 13.4% was accepted as reference from previous studies was divided into two groups as <13.4% and ≥13.4%. While it was <13.4% in 119 patients; in 292 patients, it was "≥13.4%". High RDW value showed poor survival (p<0.001).ConclusionRDW, the current hematological marker, can be used as an important indicator for monitoring the progression and prognosis of gastric cancer. Key Words: Gastrectomy, Gastric cancer, Laparoscopy, Surgical oncology, Red distribution width, survival.

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