Oncology

The branch of medicine concerned with the prevention, diagnosis, study, treatment, and management of cancer.

Oncology encompasses many areas, including medical oncology, surgical oncology, and radiation oncology. Cancer care may involve chemotherapy, targeted therapy, immunotherapy, radiation therapy, surgery, or combinations of these approaches.

Oncology also involves symptom control, surveillance, rehabilitation, and supportive and palliative care.

QUICK FACT

An oncologist does not necessarily treat every type of cancer; oncology includes specialists with expertise in different cancer types and treatment approaches.

COMMONLY CONFUSED WITH

Cancer: the group of diseases being studied or treated; oncology is the medical specialty concerned with cancer.

SEE ALSO

Clinical & Educational Context

Discussed in Health Articles & Guides

Explore how "Oncology" is covered across our evidence-based editorial guides:

1 Article
The Hard Parts of Medicine

Polypharmacy: What Really Happens When You Take Multiple Medicines

Polypharmacy, the use of multiple medicines by one person is becoming increasingly common as people live longer and more people...