| RARS | Refractory Anemia with Ringed Sideroblast = AISA |
|---|---|
| RAEB | refractory anemia with excess blasts |
| RAEBiT, RAEB-T | refractory anemia with excess blasts in transformation |
| RAEM | refractory anemia with excess myeloblasts |
| RAPM | refractory anemia with partial myeloblastosis |