Comparison and Calibration of the 2025 and 2015 ATA Recurrence-Risk Classifications in Differentiated Thyroid Cancer
The 2025 American Thyroid Association (ATA) guidelines maintained the low- and high-risk categories and subdivided the intermediate-risk category of differentiated thyroid cancer (DTC) into low-intermediate and intermediate-high tiers. To determine whether observed rates of structural disease match the ris...