| OS | left eye [Lat. oculus sinister]; occipitosacral; occupational safety; office surgery; Omenn syndrome... |
|---|---|
| LSTL | laparoscopic tubal ligation |
| TLH | Total laparoscopic hysterectomy |
| HALDN | Hand-assisted laparoscopic donor nephrectomy, 신이식용 복강경하 신장 적출술 |
| LRN | Laparoscopic radical nephrectomy, 복강경하 근치적 신장절제술 |