| RO | radiation oncology; radiation output; ratio of; relative odds; renal osteodystrophy; reverse osmosis... |
|---|---|
| RO | PACS radiation oncology picture archiving and communication system |
| RTOG | radiation therapy oncology group |
| SIOP | International Society of Pediatric Oncology |
| SSO | sequence-specific oligonucleotide [probe]; Society of Surgical Oncology; special sense organ |