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Erschienen in:
01.04.2016 | Original Article
Cardia and Non-Cardia Gastric Cancer Have Similar Stage-for-Stage Prognoses After R0 Resection: a Large-Scale, Multicenter Study in China
Erschienen in: Journal of Gastrointestinal Surgery | Ausgabe 4/2016
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Although the clinicopathological features of cardia gastric cancer (GC) differ from those of non-cardia GC, it is unclear whether the former has poorer prognosis than the latter. The aim of this study was to compare clinicopathological characteristics and prognosis between cardia and non-cardia GC. From December 2009 to December 2011, 1633 patients who had undergone R0 resection of GC at four Chinese centers were enrolled in this study. Their clinicopathological features and survival outcomes were evaluated. Compared with non-cardia GC, cardia GC was associated with a significantly higher proportion of male patients, older age, more advanced pathological stage, and less-favorable clinicopathological features at diagnosis. The 5-year survival rate was significantly lower in the cardia GC group than in the non-cardia GC group. However, no significant difference in overall survival (OS) was observed between the two groups at any pathological TNM stage. Pathological stage was confirmed as an independent prognostic factor of OS. More advanced disease represents most of the cases in this Chinese population. Compared with patients with non-cardia GC, patients with cardia GC were diagnosed at a more advanced stage and had worse prognosis after undergoing R0 resection. However, cardia and non-cardia GCs have similar stage-for-stage prognoses.