| AFTN | autonomously functioning thyroid nodule |
|---|---|
| CEJ | cement-enamel junction |
| DEJ, dej | dentino-enamel junction; dermo-epidermal junction |
| ERS | enamel-renal syndrome; endoscopic retrograde sphincterectomy |
| HAN | heroin-associated nephropathy; hyperplastic alveolar nodule |