STEREOTACTIC RADIOSURGERY (SRS) Stereotactic radiosurgery is non-surgical radiation therapy used to treat brain tumours and other brain diseases that cannot be treated with conventional surgery. Stereotactic radiosurgery (SRS) and stereotactic radiation therapy (SRT) are both radiation therapy for tumours. SRS involves a single radiation therapy, but over time, SRT uses a series of treatments. SRS is a high-dose treatment, but SRT is used for radiation therapy in smaller doses in multiple stages of treatment. SRS and SRT are used to kill cancer cells through external radiation sources. When SRS is used to treat tumours in the body, it is called stereotactic body radiation therapy (SBRT). SBRT is used to treat tumours of the lung, liver, abdomen, spine, prostate, head, and neck. Radiosurgery precisely targets the tumour, so it can shrink the tumour without damaging healthy tissue. It uses 3D imaging to direct high doses of radiation to the affected area and works by destroyi...
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