| BTSG | Brain Tumor Study Group |
|---|---|
| CBT | carotid body tumor; cognitive behavioral treatment/therapy; computed body tomography |
| CEOT | calcifying epithelial odontogenic tumor |
| CTR | cardiothoracic ratio; carpal tunnel release; central tumor registry |
| DDT | dichlorodiphenyltrichloroethane; ductus deferens tumor |