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Intraoperative Therapy Intraoperative radiation therapy (IORT) delivers a single, high dose of radiation therapy to a tumor bed during surgery, it can be apply to abdominal or pelvic tumors. This technology may help eradicate residual tumor cells, reduce radiation treatment time or provide an added radiation "boost" to external beam radiotherapy. The rationale for IORT is to deliver a high dose of radiation precisely to the targeted area with minimal exposure of surrounding normal tissues, which are displaced or shielded during the IORT. IORT can both be performed with electron beams (Intraoperative electron radiation therapy, IOERT) and gamma-rays (Intraoperative brachytherapy radiation therapy, IOBRT).

Stereotactic Radiosurgery (SRS)SRS is a targeting radiotherapy, which is aimed at the tumor from many different angles, it typically uses higher prescription dose than conventional radiation therapy. Using this method, it can effectively destroy small malignant tumors, suppress the growth of benign lesions, or close down abnormal blood vessels. This technique, which is accurate to sub-millimeter level, does not require surgery and can be done on an outpatient basis. Stereotactic radiosurgery needs the participation of both the surgical and radiation oncology teams who work together to treat every patient.