| IGS | image-guided surgery; inappropriate gonadotropin secretion; internal guide sequence |
|---|---|
| IIG | interactive image-guided [surgery] |
| ISS | idiopathic short stature; injury severity score; International Society of Surgery; ion-scattering sp... |
| LAS | laboratory automation system; lateral amyotrophic sclerosis; laxative abuse syndrome; left anterior-... |
| LCh | Licentiate in Surgery |