Esophageal carcinoma: modest benefits from combined modality therapy.

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Abstract
Between 1969 and 1986, 109 consecutive patients with esophageal carcinoma were studied. Of the 77 patients who had squamous cell carcinoma, 62 received definitive treatment for disease confined to the esophagus and regional nodes. Survival was equivalent whether they were treated with radiation alone (n = 18), preoperative radiation and esophagectomy (n = 19), postoperative radiation (n = 5), or a combination of chemotherapy and radiation with or without esophagectomy (n = 20). Fifteen patients had significantly poorer survival after palliative irradiation for overt metastatic disease or severe debility. The pathologic specimens from four of the nine patients who underwent resection showed no histologic evidence of residual tumor; however, tumor recurred in three in the mediastinum, and only one remains alive and free of disease. Four of the 11 patients who received chemotherapy and radiation therapy without resection remain alive and free of disease after further mediastinal irradiation, suggesting a benefit from additional regional therapy. Chemotherapy improved median survival duration and complete response rate but did not produce a significant improvement in survival, as reported in other recent series.