A nomogram associated with high probability of malignant nodes in the surgical specimen after trimodality therapy of patients with esophageal cancer (EC).
2017
e14547 Background: The presence of malignant lymph nodes (+ypNodes) in the surgical specimen after preoperative chemoradiation (trimodality therapy) in patients with EC portends a poor prognosis for overall survival (OS) and disease-free survival (DFS). Currently, none of the clinical variables highly correlates with +ypNodes. We hypothesized that a combination of clinical variables could generate a model that associates with high likelihood of +ypNodes after trimodality therapy in EC patients. Methods: We report on 293 consecutive EC patients who received trimodality therapy. A multivariate logistic regression analysis that included pretreatment and post-chemoradiation variables identified independent variables that were used to construct a nomogram for +ypNodes after trimodality in EC patients. Results: Of 293 patients, 91 (31.1%) had +ypNodes. OS (p=0.0002) and DFS (p<0.0001) were shorter in patients with +ypNodes compared to those with –ypNodes. In multivariable analysis, the significant variables for...
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