| RGC | radio-gas chromatography; remnant gastric cancer; retinal ganglion cell; right giant cell |
|---|---|
| RGE | relative gas expansion |
| SAO2 | oxygen saturation in alveolar gas |
| STPD | a volume of gas at standard temperature and pressure that contains no water vapor |
| TGV | thoracic gas volume; transposition of great vessels |