Fig. 2From: Which papillary thyroid microcarcinoma should be treated as “true cancer” and which as “precancer”?Comparison of receiver operating curves (ROC) for the presence of multifocal or bilateral tumors or tumor size above 0.5 cm. The performance of a marker unable to discriminate between pN0 and pN1 patients, whose area under the ROC curve (AUC) is equal to 0.5 was marked with a constant lineBack to article page