Figure 4From: Prognostic analysis of esophageal cancer in elderly patients: metastatic lymph node ratio versus 2010 AJCC classification by lymph nodesROC curve for survival prediction. The ROC for MLNR staging is represented by the blue line with an AUC = 73.7%, and the ROC for AJCC Seventh Edition N staging is represented by the green line with an AUC = 73.1%.Back to article page