| ACR | American College of Radiology |
| ATA | American Thyroid Association |
| DSV | Diffuse sclerosing variant |
| EFV | Encapsulated follicular variant |
| ETA | European Thyroid Association |
| FAP | Familial adenomatous polyposis |
| FNAB | Fine needle aspiration biopsy |
| FV | Follicular variant |
| NIFTP | Non-invasive follicular thyroid neoplasm with papillary-like nuclear features |
| PTC | Papillary thyroid carcinoma |
| US | Ultrasound |
| WV | Warthin-like variant |
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