| Abbreviation | Definition |
|---|---|
| CPM | CycloPhosphaMide (anticancer drug) |
| CPON | Certified Pediatric Oncology Nurse |
| CPR | Cancer Progress Report |
| CPS | Cancer Prevention Survey |
| cPSA | Complexed Prostate Specific Antigen |
| CRA | Clinical Research Associate |
| CRAB | Cancer Research And Biostatistics |
| CRC | Cancer Research Campaign |
| CRC | Colo-Rectal Carcinoma |
| CRCa | ColoRectal cancer |
| CRCC | Cell Renal Cell Carcinoma |
| CRF | Case Report Form |
| CRIS | Cancer Research Information System |
| CRO | Contract Research Organization |
| CROR | Center for Radiation Oncology Research |
| CS | Cancer Survivor |
| CSC | Cancer Stem Cell |
| CSCT | Cell-Specific Cancer Therapy |
| CSE | Common Sense Exam |
| CSGO | Chinese Society of Gynecological Oncology |