ACR-TIRADS	American College of Radiology Thyroid Imaging Reporting and Data System
AI	Artificial intelligence
BSRTC	Bethesda System for Reporting Thyroid Cytopathology
CI	Confidence Interval
ETE	Extrathyroidal Extension
EU-TIRADS	European Thyroid Imaging Reporting and Data System
FNAB	Fine-needle aspiration biopsy
I-TIRADS	International Thyroid Imaging Reporting and Data System
K-TIRADS	Korean Thyroid Imaging Reporting and Data System
PTC	Papillary Thyroid Carcinoma
ROC AUC	Receiver Operating Characteristic Area Under the Curve
RSSs	Risk stratification systems
SD	Standard Deviation
SPSS	Statistical Package for the Social Sciences
US	Ultrasonography