Abstract
To clarify the impact of metastatic lymph node size on long-term outcomes in patients undergoing curative colectomy for pathological stage III colon cancer. This study enrolled patients who underwent curative colectomy for pStage III colon cancer between January 2013 and December 2015. All patients were divided into four groups based on the short-axis diameter of the largest MLN: Group A, <5 mm; Group B, ≥5 mm and <10 mm; Group C, ≥10 mm and <15 mm; Group D, ≥15 mm. A total of 209 patients were analyzed. The 5-year recurrence-free survival rates of Groups A, B, C, and D were 82.3%, 74.6%, 74.5% and 60.7%, respectively. In multivariate analysis, Group D (hazard ratio=3.95; 95% confidence interval, 1.34-11.65; p=0.01) was independently associated with worse RFS. Bulky MLNs might be a poor prognostic factor in node-positive colon cancer.
Published Version
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