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Authors Dittrick GW, Weber JM, Shridhar R, Hoffe S, Melis M, Almhanna K, Barthel J, McLoughlin J, Karl RC, Meredith KL
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Journal Ann. Surg. Oncol. Volume: 19 Issue: 5 Pages: 1678-84
Publish Date 2012 May
PubMed ID 22045465
Abstract

Neoadjuvant chemoradiation (NCRT) has become the preferred treatment for patients with locally advanced esophageal cancer. Survival often is correlated to degree of pathologic response; however, outcomes in patients who are found to be pathologic nonresponders (pNR) remain uninvestigated. This study was designed to evaluate survival in pNR to NCRT compared with patients treated with primary esophagectomy (PE).Using our comprehensive esophageal cancer database, we identified patients treated with NCRT and deemed pNR along with patients who proceeded to PE. Clinical and pathologic data were compared using Fisher’s exact and χ(2), whereas Kaplan-Meier estimates were used for survival analysis.We identified 63 patients treated with NCRT and were found to have a pNR, and 81 patients who underwent PE. Disease-free (DFS) and overall survival (OS) were significantly decreased in the pNR group compared with those treated with PE (10 vs. 50 months (0-152), P < 0.001 and 13 vs. 50 months (0-152), P < 0.001, respectively). For patients with stage II disease, DFS and OS were similarly decreased in pathologic nonresponders (13 vs. 62 months (0-120), P < 0.001 and 31 vs. 62 months (0-120), P = 0.024, respectively). There were no differences in DFS or OS for patients with stage III disease (10 vs. 14 months (0-152), P = 0.29 and 10 vs. 19 months (0-152), P = 0.16, respectively).Pathologic nonresponders to NCRT for esophageal cancer receive no benefit in DFS or OS compared with patients treated with PE. For patients with stage II disease, DFS and OS are, in fact, significantly decreased in the pNR.

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