Oncology is a branch of medicine that deals with the study, treatment,
diagnosis and prevention of cancer. A medical professional who practices
oncology is an oncologist. The name's etymological origin is the Greek word
ὄγκος ( ónkos ), meaning "tumor", "volume" or "mass". Oncology is concerned
with:
- The diagnosis of any cancer in a person (pathology)
- Therapy (e.g.