Stereotactic radiosurgery (SRS) is an advance in the treatment of cancer, vascular abnormalities, and certain types of pain and movement disorders. SRS painlessly shrinks or eliminates tumors and abnormalities, using focused beams of radiation. It enables doctors to deliver higher doses of radiation more precisely and in fewer treatment sessions than ever before possible.

Though it's called radiosurgery, the procedure does not involve any incisions. Recovery and healing are fast, and the patient can resume normal activities shortly after treatment.

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