Figure 3

ROC curve of the PET/CT parameters to detect lymphovascular invasion. (a) Diagnostic performance of the maximal standardized uptake value (SUVmax). Area under the curve (AUC), 0.690; cutoff level, 3.616; sensitivity, 53.3%; specificity, 86.8%; accuracy, 77.3%. (b) Diagnostic performance of total lesion glycolysis (TLG). AUC, 0.665; cutoff level, 0.663. (c) Diagnostic performance of metabolic tumor volume (MTV). AUC, 0.656; cutoff level, 0.199.