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Ratio of metastatic lymph nodes to total number of nodes resected is prognostic for survival in esophageal carcinoma. | LitMetric
Introduction : The role of the number of metastatic nodes in esophageal cancer surgery is of interest. We assess predictors of survival after oesophagectomy for esophageal and gastroesophageal junction malignancy.Methods : Prospective data of consecutive patients undergoing oesophagectomy and systematic lymphadenectomy between 1991 and 2007.Results : Of 224 patients, 148 patients (66%) had adenocarcinoma, 70 (31%) squamous cell carcinoma, and 6 (2.6%) were other tumor types. Five-year survival was 43% with hospital mortality of 3.5%. Locoregional recurrence occurred in 14%. The total number of affected nodes significantly reduced survival (four or more metastatic nodes). Further analysis of the ratio of nodes affected to the total number resected showed a significant decrease in survival as the percentage of positive nodes increased (p < 0.001).Conclusions : Patients undergoing surgery for esophageal cancer should be staged according to a minimum total number of metastatic lymph nodes and ratios because this more accurately predicts survival than current staging systems.
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