MedicalTerminology DB
Treatments & Supportive Care Cancer & Oncology

intraoperative radiation therapy

Meaning of intraoperative radiation therapy: Radiation treatment aimed directly at a tumor during surgery.

Definition of intraoperative radiation therapy

Radiation treatment aimed directly at a tumor during surgery. Also called IORT.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.