A prognostic evaluation on esophageal carcinoma with lymph node metastasis —An analysis of 212 cases
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The authors studied retrospectively lymph node metastatic status impacting on survival of 212 patients with thoracic esophageal squamous cell carcinoma 663 (19.4%) of the total 3, 419 lymph nodes examined (an average of 16.1 per patient) were proved to be positive. The overall 5-year survival rate was 19.3% (41/212). The results showed that no difference in survival was observed in relation to the site of the involved lymph node. Difference in survival based on the number of metastatic lymph nodes (1 or ≥2) and the frequence of positive nodes ≤10% or >10%) is statistically significant. The results indicated that the clinical staging of esophageal carcinoma should be made according to the absolute number and the relative frequency of lymph nodes involved. The effectiveness and limitation of extended lymph node dissection in relation to prognosis was discussed.
Key wordsEsophageal neoplasms Lymph node metastasis Prognosis Squamous cell carcinoma
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