Clinical implications of cervical lymph node metastasis patterns in thoracic esophageal cancer.

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OBJECTIVE. The authors attempt to clarify the clinical implications of cervical lymph node metastases from thoracic esophageal cancers. SUMMARY BACKGROUND DATA. Cervical lymph node metastases from thoracic esophageal cancer have been considered to be incompatible with curative resection. However, recent studies have demonstrated that cure is achievable in patients with such metastases. METHODS. Patterns of esophageal cancer metastasis to the cervical nodes and long-term results after tumor resection were investigated in 23 patients undergoing bilateral cervical lymphadenectomy for treatment of thoracic esophageal cancer. RESULTS. The number of positive nodes per patient was significantly greater (p < 0.05) in lower esophageal cancers (median: 15) than in upper or mid esophageal cancers (median: 2.5). Simultaneous metastases to three nodal regions (the neck, mediastinum, and abdomen) were significantly more common (p < 0.001) in lower esophageal tumors (88.9%) than in upper and mid esophageal lesions (7.1%). Although the overall 5-year survival rate was 16.5%, long-term survival was achieved only in patients with upper or mid esophageal cancer.

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