Lymph Node Metastasis Density and Growth Pattern as Independent Prognostic Factors in Advanced Esophageal Squamous Cell Carcinoma
2007
Background
Esophageal cancer is one of the leading types of cancer, and it is a particularly deadly form of malignancy. TNM classification is the most common staging system, but it has been reported that prognosis is not reflected adequately by this classification. The purpose of this study was to clarify independent prognostic factors in esophageal squamous cell carcinoma (ESCC), a dominant type of esophageal cancer in Japan, to broaden the staging system to improve its predictive value. Thus staging could be expanded to make the prognosis a valuable clinical tool, and to improve knowledge of the biological traits of advanced ESCC.
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