| OW | once weekly; open wedge; outer wall; oval window |
|---|---|
| RW | radiological warfare; ragweed; respiratory work; Romano-Ward [syndrome]; round window |
| SPW | subxiphoid pericardial window |
| CME | cervical mediastinal exploration; continuing medical education; Council on Medical Education; crude ... |
| CMN | caudal mediastinal node; cystic medial necrosis |