The Bethesda System for Reporting Thyroid Cytopathology, Third Edition, is the definitive guide for thyroid nodule diagnosis. Building on its predecessors, this essential resource from The Bookish Owl incorporates critical updates since 2010, including revised clinical guidelines, the role of molecular testing, and the NIFTP reclassification. This edition streamlines reporting with unified terminology for the six diagnostic categories, aligning with the latest WHO tumor classification. Authored by leading experts, it offers comprehensive insights into diagnostic criteria, molecular adjuncts, imaging, and clinical management. An indispensable reference for pathologists, endocrinologists, surgeons, and radiologists, this book promotes a standardized approach to thyroid FNA interpretations, ultimately improving patient care for nodular thyroid disease.