| Abbreviation | Definition |
|---|---|
| IC | Infusion Chemotherapy |
| ICARE | International Cancer Alliance for Research and Education |
| ICCCPO | International Confederation of Childhood Cancer Parent Organizations |
| ICCG | International Collaborative Cancer Group |
| ICCPO | Icelandic Childhood Cancer Parent Organisation |
| ICCPP | International Cancer Control Planning Partnership |
| ICD | International Classification of Diseases (coding system) |
| ICDO | International Classification Of Diseases For Oncology |
| ICDO | International Classification of Diseases for Oncology (coding system) |
| ICF | Inter-Cellular fluid |
| ICH | International Conference of Harmonization |
| ICH | International Conference on Harmonization |
| ICON | Integrated Cancer Oncology News |
| ICONC | International Conference on Oncology Nursing and Cancer |
| ICOPE | Interdisciplinary Curriculum in Oncology Palliative Education |
| ICPO | Icpoinstitute Of Cytology And Preventive Oncology |
| ICR | Institute of Cancer Research |
| ICR | The Institute For Cancer Research |
| ICRC | Introduction to Cancer Research Careers |
| ICRF | Imperial Cancer Research Fund |