Lymph node ratio-based staging system as an alternative to the current TNM staging system to assess outcome in adenocarcinoma of the esophagogastric junction after surgical resection.

However, when both the pN and rN classification were combined in the model at the same time, rN classification was highly significant (RFS: P < 0.001; OS: P < 0.001), while pN classification was not a significant factor.

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