What is intraoperative radiation therapy (IORT) for cancer?

Intraoperative radiation therapy (IORT) is a selectively used special procedure in which radiation is given to a patient's open surgical site during surgery. This technique is used when a surgeon finds cancer in the neck, chest, abdomen, or pelvis that cannot be completely removed but can be well seen. IORT requires a patient to be brought to the radiation department during surgery and requires the coordination of surgery, anesthesia, and radiation. IORT is intended to reduce the risk of local tumor growth.

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