Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Classification of later operated (A and B) and unoperated (C and D) thyroid nodules according to recognition-based ultrasound (A and C) or ACR-TIRADS (B and D). For operated nodules, the final histopathology is shown in colors, while for unoperated nodules, the cytological assessment is color-coded.
This work is licensed under a