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oncology

The branch of medicine that deals with cancer.

on-KOL-uh-jee noun

Word parts

What it means

Oncology covers the diagnosis, treatment and follow-up of cancer. Oncologists may treat with drugs (medical oncology), radiation (radiation oncology) or surgery (surgical oncology). Oncology nurses give chemotherapy, manage side effects, and support clients and families.

At a glance

Spanishoncología

Related terms

antineoplastic

A drug used to treat cancer by killing cancer cells or stopping them from growing and dividing.

-logy

A word ending that means the study of something.

-logist

A word ending that means a specialist who studies or treats something.

staging

Working out how large a cancer is and how far it has spread in the body.

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