| 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... |
| ECIL | extracorporeal irradiation of lymph |
| L/P | lactate/pyruvate [ratio]; liver plasma [concentration]; lymph/plasma [ratio] |
| LRR | labyrinthine righting reflex; lymph return rate |