Comparative Performance of the 2015 and 2025 American Thyroid Association Initial Recurrence Risk Stratification Systems in Differentiated Thyroid Cancer
Background: The 2025 American Thyroid Association (ATA) guidelines introduced significant modifications to the initial risk stratification system for differentiated thyroid cancer (DTC). However, the real-world prognostic performance and stage migration effects of these updates compared with the 2015 system remain unev...