Home Neoplasma 2014 Neoplasma Vol.61, No.6, p.732-738, 2014

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Neoplasma Vol.61, No.6, p.732-738, 2014

Title: Postoperative chemoradiotherapy improves survival in esophageal squamous cell cancer with extracapsular lymph node extension
Author: Z. W. WANG, Z. P. LUAN, W. ZHANG, W. DONG, C. R. FU, Y. N. WANG, B. S. LI


In esophageal squamous cell carcinoma (ESCC), extracapsular extention (ECE) in metastatic lymph nodes portends high rate of recurrence and poor prognosis. To our knowledge, the effectiveness of postoperative chemoradiotherapy (CRT) in these patients has never been investigated. In this retrospective study, we compared the outcomes of surgery with or without postoperative chemoradiotherapy in ESCC patients with ECE. From 2008 to 2009, 90 ECSS patients with ECE were included. Among those patients, 47 only received curative surgery alone, and 43 received additional postoperative concurrent CRT which consisted of radiotherapy (median dose 50 Gy) and chemotherapy (5-fluorouracil 1000 mg/m2, days 1-4 and 29-32; cisplatinum 25 mg/m2, days 1-3 and 29-31).

Patients treated with postoperative CRT had significantly more T3/4 tumors (p=0.023).

Based on log-rank stratified by T stage, postoperative adjuvant CRT significantly improved the overall survival (p=0.017) and progression free survival (p=0.002).

In multivariate analysis, adjuvant CRT was identified as an independent prognostic factor (HR=0.494, CI 0.290-0.844, p=0.010).

Compared with surgery alone, the CRT group had significantly fewer cases of regional recurrence (P=0.048) and overall recurrence (P=0.024).

However, there was no significant difference in distant metastasis between two groups (P=0.755).

In conclusion, our data suggest that the postoperative adjuvant CRT might be beneficial in selected subgroups of ESCC patients with ECE. To further verify these results, a prospective trial with a large sample size is needed.

Keywords: esophageal squamous cell cancer, adjuvant treatment, chemoradiotherapy, extracapsular extension
Published online: 23-Aug-2014
Year: 2014, Volume: 61, Issue: 6 Page From: 732, Page To: 738

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