| FOBT | fecal occult blood test |
|---|---|
| OPM | occult primary malignancy; Office of Personnel Management; ophthalmoplegic migraine |
| SOB | Stool occult blood |
| AA | 1) Aortic Arch(= Arcus Aortae)(= AA); 대동맥궁 2) Aplastic Anemia - Anemia |
| MDS | Myelo-Dysplastic Syndrome = Refractory (Dysmyelopoietic) Anemia = (Id... |