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Postestimation survival curve after adjusted analysis with age, gender, body mass index, and histology using Cox proportional hazards regression (adjusted survival curve) with stratification by 8th edition of AJCC staging system between low NLR (equal or less than 3.0) in red color and high NLR (more than 3.0) in blue color. CI = confidence interval, HR = hazard ratio, NLR = neutrophil-to-lymphocyte ratio.
