| Abbreviation | Definition |
|---|---|
| FGC | Familial Gastric Cancer |
| FIT | Fæcal Immunochemical Test |
| FIT | Fecal Immunochemical Test |
| FOCC | Familial Ovarian Cancer Clinic |
| FOCC | Friends of Children with Cancer |
| FOCP | Friends of Cancer Patients |
| FOCR | Fear of cancer recurrence |
| FOCR | Friends of Cancer Research |
| FORCE | Facing Our Risk of Cancer Empowerment |
| FPC | Familial Pancreas Cancer |
| FPCN | Florida Prostate Cancer Network |
| FRBC | Family Registry for Breast Cancer |
| FRCC | Fremont Rideout Cancer Center |
| FRCS | Federation of Romanian Cancer Societies |
| FSAC | Frankly Speaking About Cancer |
| FTAC | Folate Targeted Anti Cancer |
| FTBC | Fashion Targets Breast Cancer |
| FVCC | Fraser Valley Cancer Centre |
| FWCC | Feist Weiller Cancer Center |
| GACE | Gamers Against Cancer Edition |