Fig. 3

ROC curve of MD and FA of metastatic versus lymphomatous LNs. A The cutoff value of MD applied to distinguish metastatic LNs from lymphomatous LNs is 0.71 × 10^–3 mm²/s with AUC 0.820, an accuracy 95.3%, sensitivity 98%, and specificity 75%. B The cutoff value of FA applied to distinguish metastatic from lymphomatous LNs is 0.27 with AUC 0.711, accuracy 73.4%, sensitivity 76.8%, and specificity 50%. C Combined parameters show AUC of 0.824, with accuracy 95.3%, sensitivity 98.2%, and specificity 75%