| Abbreviation | Definition |
|---|---|
| CTO | Clinical Trials Office |
| CTOS | Connective Tissue Oncology Society |
| CTR | California Tumor Registry |
| CTR | Cancer Therapy and Research |
| CTRC | Cancer Therapy and Research Center |
| CTRG | Cancer Therapeutics Research Group |
| CTRT | Chemotherapy-Thoracic RadioTherapy |
| CTSU | Cancer Trials Support Unit |
| CUP | Cancer of Unknown Primary |
| CURE | Continuing Umbrella Of Research Experience |
| CUTO | Colorado University Thoracic Oncology |
| CVA | Cerebro-Vascular Accident (stroke) |
| CVC | Central Venous Catheter |
| CX | Cos X |
| CxCa | Cervical Cancer |
| D/H | Drug History |
| D/W | Discussed With |
| DAT | Direct Antiglobulin Test |
| DBOP | Division of Biologic Oncology Products |
| DCC | Dolphins Cancer Challenge |