alexa Prognostic factors and outcome for patients with esophageal squamous cell carcinoma underwent surgical resection alone: evaluation of the seventh edition of the American Joint Committee on Cancer staging system for esophageal squamous cell carcinoma.
Gastroenterology

Gastroenterology

Journal of Liver

Author(s): Chen SB, Weng HR, Wang G, Yang JS, Yang WP,

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Abstract INTRODUCTION: More data are essential to test the efficacy of the seventh edition of the American Joint Committee on Cancer (AJCC) staging system for esophageal squamous cell carcinoma (ESCC). This retrospective study was designed to identify the prognostic factors for survival of patients with ESCC who underwent surgical resection alone and to evaluate the new AJCC staging system for ESCC. METHODS: Data of a single-center cohort of 2011 patients with ESCC who underwent surgical resection alone according to the new staging system were reviewed. Univariate and multivariate analyses were performed to identify prognostic factors. RESULTS: The 1-, 3-, and 5-year overall survival rates were 83.5, 57.4, and 47.4\%, respectively, with a median survival time of 51.0 months. Age, histologic grade, R-category, pT category, pN category, pM category, pTNM stage, and the extent of lymph node metastasis were independent prognostic factors (p < 0.05). In separate subgroup analyses, the survival differences were not significant for pN2 versus pN3 category (p = 0.159) and stages IA versus IB (p = 0.922). Subdivisions by depth of infiltration rather than tumor grade for pT1N0M0 cancers and modified nodal categories (0, 1, 2-3, and ≥4 positive lymph nodes) better represented a survival advantage. CONCLUSIONS: The seventh edition of the AJCC staging system for ESCC is acceptable in predicting survival. However, tumor location does not influence survival in our study. Subdivisions of pT1N0M0 cancers and the N-classification may need to be modified. This article was published in J Thorac Oncol and referenced in Journal of Liver

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