| PICA | Posterior Inferior Cerebellar Artery ; Obstruction시에 Wallenberg's Syndrome(= Lateral... |
|---|---|
| RAS | 1) Reticular Activating(Activation) System 2) Renal Artery Stenosis |
| RBCA | Right Brachio-Cephalic(Innominate) Artery |
| RCA | Right Coronary Artery |
| RCC | Right Common Carotid artery |