INTRODUCTION: Improvements of the results of combined chemoradiotherapy (CRT) in esophageal cancer has led several groups to adopt a non surgical attitude specially in case of complete response (endoscopy +/- biopsy). Few information are available about the follow-up of these patients. We studied long-term results of 35 patients who underwent resection after complete response to preoperative chemoradiotherapy. PATIENTS AND METHODS: 161 patients with resecable carcinoma of the thoracic esophagus have received the same protocol of CRT (cisplatin 80 mg/m2, radiation therapy split course: 37.5 Gy) all patients were followed every for 4 months (no lost of view). RESULTS: Complete response (endoscopy and biopsy) was obtained for 35 patients (21.7%), 19 of them (54%) had pathologic complete response (PCR) (no tumor in the specimen), 16 have microscopic foci of residual tumor (46%). The overall 5-year survival rate was 49.8% for the whole group (median survival 64 months), 70% for the group without tumor in the specimen, 48% for the group with microscopic foci of residual tumor (NS). CONCLUSIONS: One half of the complete response (endoscopy + biopsy) have not a pathologic complete response (microscopic foci of residual tumor in the specimen). The 49.8% of five year survival suggests a benefit from esophagectomy for complete response after combined chemoradiotherapy.
INTRODUCTION: Improvements of the results of combined chemoradiotherapy (CRT) in esophageal cancer has led several groups to adopt a non surgical attitude specially in case of complete response (endoscopy +/- biopsy). Few information are available about the follow-up of these patients. We studied long-term results of 35 patients who underwent resection after complete response to preoperative chemoradiotherapy. PATIENTS AND METHODS: 161 patients with resecable carcinoma of the thoracic esophagus have received the same protocol of CRT (cisplatin 80 mg/m2, radiation therapy split course: 37.5 Gy) all patients were followed every for 4 months (no lost of view). RESULTS: Complete response (endoscopy and biopsy) was obtained for 35 patients (21.7%), 19 of them (54%) had pathologic complete response (PCR) (no tumor in the specimen), 16 have microscopic foci of residual tumor (46%). The overall 5-year survival rate was 49.8% for the whole group (median survival 64 months), 70% for the group without tumor in the specimen, 48% for the group with microscopic foci of residual tumor (NS). CONCLUSIONS: One half of the complete response (endoscopy + biopsy) have not a pathologic complete response (microscopic foci of residual tumor in the specimen). The 49.8% of five year survival suggests a benefit from esophagectomy for complete response after combined chemoradiotherapy.
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