Aim: To clarify the impact of metastatic lymph node size on long-term outcomes in patients undergoing curative colectomy for pathological stage III colon cancer. Patients and Methods: 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. Results: 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. Conclusion: Bulky MLNs might be a poor prognostic factor in node-positive colon cancer. Copyright 2022, International Institute of Anticancer Research.
Aim: To clarify the impact of metastatic lymph node size on long-term outcomes in patients undergoing curative colectomy for pathological stage III colon cancer. Patients and Methods: 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. Results: 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. Conclusion: Bulky MLNs might be a poor prognostic factor in node-positive colon cancer. Copyright 2022, International Institute of Anticancer Research.
Entities:
Keywords:
Colon cancer; long-term outcome; lymph node metastasis; lymph node size; stage III colon cancer
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