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Background The prognostic value of neutrophil-to-lymphocyte ratio (NLR) has been studied for several cancers, including colon cancer. Elderly patients in general tend to have comorbidities, poor performance status, and decreased organ function that potentially influence the NLR score. The aim of this study was to investigate the relationship between NLR and cancer prognosis in elderly patients with colon cancer, using a propensity score-matched analysis. Methods A total of 203 patients aged over 75 years who underwent curative resection for colon cancer and were diagnosed pathologically with stage II/III disease were eligible for entry to the study. Patients were divided into two groups according to NLR score: NLR-High (NLR ≥ 4.5) group (NLR-H, n = 60) and NLR-Low (NLR

Background: The recurrence rate after hepatectomy for colorectal cancer liver metastasis (CRLM) is high, and there is no consensus regarding the effect of adjuvant chemotherapy (AC) using oxaliplatin (doublet AC) in these patients.Methods: The present study included 91 patients who underwent hepatectomy for complete resection at our hospitals between 2008 and 2018. Based on whether or not they had undergone doublet AC, patients were divided into AC (n=35) and non-AC (n=56) groups. Recurrent risk was evaluated by Memorial Sloan Kettering Cancer Center clinical risk score (MSKCC-CRS).Results: The number of females and median age were higher in the AC group (51.4% vs 25.0%, p=0.010 and 67 vs 61 years, p=0.012, respectively). Doublet AC was an independent prognostic factor for 5-year relapse-free survival (hazard ratio, 0.225; 95%CI, 0.097–0.522; p