| BTFS | breast tumor frozen section |
|---|---|
| FAP | familial adenomatous polyposis; familial amyloid polyneuropathy; fatty acid polyunsaturated; fatty a... |
| FE | fatty ester; fecal emesis; fetal erythroblastosis; fetal erythrocyte; fluid extract; fluorescent ery... |
| FF | degree of fineness of abrasive particles; fat-free; father factor; fecal frequency; fertility factor... |
| FRC | Federal Radiation Council; frozen red cells; functional reserve capacity; functional residual capaci... |