Geographic distribution of regional metastatic nodes affects the outcome of trimodality-eligible patients with esophageal adenocarcinoma

Oncology
Hironori ShiozakiJaffer A Ajani

Abstract

Malignant nodes in patients with localized esophageal adenocarcinoma (L-EAC) portend a poor prognosis. We assessed the correlation of the distribution of nodes with the outcome of patients undergoing chemoradiation/surgery (trimodality therapy). We studied 209 L-EAC patients who had confirmed or suspicious nodes at baseline staging. All patients received trimodality therapy and were grouped according to the nodal geography: above the diaphragm (AD), below the diaphragm (BD), or above and below the diaphragm (ABD). Survival estimates were calculated using the Kaplan-Meier method, and the outcomes of the groups were assessed by the log-rank test. Patients were primarily Caucasian (91%) and male (93%), with a baseline stage III L-EAC (89%). The median follow-up was 2.8 years (range, 0.4-11.7). Of the 209 patients, 35% (n = 73) had AD nodes, 20% (n = 41) had BD nodes, and 45% (n = 95) had ABD nodes. ABD patients had a 5-year overall survival rate of 33%, whereas this rate was 55% in AD patients and 60% in BD patients (p = 0.02). Patients with a higher histology grade were also at a higher risk of relapse and had a poor survival (p < 0.01 for both). L-EAC patients in the ABD group had the worst outcome after trimodality treatment co...Continue Reading

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