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Tumor response to induction chemoradiation: influence on survival after esophagectomy.

AbstractOBJECTIVE:
Preoperative chemoradiation is becoming standard of care for locally advanced esophageal cancer. The objective of this study was to determine if the degree of pathologic response to preoperative chemoradiation could predict survival and recurrence after resection in patients with adenocarcinoma of the distal esophagus.
METHODS:
Between January 1998 and December 2001, 366 patients underwent esophagectomy for adenocarcinoma of the esophagus; 108 (30%) had induction chemoradiation prior to surgery. The records of these 108 patients were reviewed.
RESULTS:
Histologic examination of the resected specimens documented complete pathologic response (CR) in 24 patients (22%) and residual tumor (RT) in 84 (78%). Operative mortality was 3.7%. Follow-up was complete in all patients and ranged from 1 to 46 months (median, 11 months). Three-year survival for patients with CR was 64% as compared to 34% for patients with RT (P=0.17). Median survival for patients with CR has not yet been reached; however, median survival for patients with RT was 19 months. Three-year cancer free survival for patients with CR was 57% compared to 30% for patients with RT (P=0.03). While median survival free of recurrence for patients with CR has not yet been reached, median survival free of recurrence for patients with RT was 9 months.
CONCLUSION:
Complete pathologic response to induction chemoradiation is associated with improved early overall and disease-free survival following esophagectomy for adenocarcinoma of the distal esophagus. Because recurrent cancer still develops in many of these patients, even after complete pathologic response, the search for the optimal treatment continues.
AuthorsJessica S Donington, Daniel L Miller, Mark S Allen, Claude Deschamps, Francis C Nichols 3rd, Peter C Pairolero
JournalEuropean journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery (Eur J Cardiothorac Surg) Vol. 24 Issue 4 Pg. 631-6; discussion 636-7 (Oct 2003) ISSN: 1010-7940 [Print] England
PMID14500086 (Publication Type: Journal Article)
Topics
  • Adenocarcinoma (drug therapy, radiotherapy, therapy)
  • Adult
  • Aged
  • Aged, 80 and over
  • Antineoplastic Combined Chemotherapy Protocols (therapeutic use)
  • Chemotherapy, Adjuvant
  • Esophageal Neoplasms (drug therapy, radiotherapy, therapy)
  • Esophagectomy
  • Female
  • Follow-Up Studies
  • Hospital Mortality
  • Humans
  • Length of Stay
  • Male
  • Middle Aged
  • Neoadjuvant Therapy
  • Radiotherapy, Adjuvant
  • Retrospective Studies
  • Survival Analysis
  • Treatment Outcome

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