F
FAB (short for French-American-British)

A classification of types of acute myeloid leukaemia (AML) often used by doctors.

Fibrosarcoma (fibro sah coma)

A type of cancer which affects teenagers and is found in tissue that joins parts of the body together. It is a type of soft tissue sarcoma .

Fluorouracil (5FU): (floo oh row yoo ra sill)

A chemotherapy drug.