| SAN | Sino-Atrial Node; 동방결절 = SA node |
|---|---|
| SAN | sinoatrial node; sinoauricular node; slept all night; solitary autonomous nodule |
| TNM | primary tumor, regional nodes, metastasis [tumor staging]; thyroid node metastases; tumor node metas... |
| AVN | 1) Atrio-Ventricular Node 2) AVascular Necrosis |
| LN | Lymph Node |