intraperitoneal radiation therapy

Definition of intraperitoneal radiation therapy
National Cancer Institute

intraperitoneal radiation therapy

(IN-truh-PAYR-ih-toh-NEE-ul RAY-dee-AY-shun THAYR-uh-pee)
Treatment in which a radioactive liquid is put directly into the abdomen through a thin tube.

Source: NCI Dictionary of Cancer Terms