You might be positioned with customized immobilization devices to hold you in the same position for each therapy session.You lie down in the position determined during your radiation simulation session.The actual radiation treatment only takes a few minutes. Administered five days a week over several weeksĮach treatment session usually lasts less than an hour.The linear accelerator delivers the precise dose of radiation planned by your treatment team.Įxternal beam radiation therapy is typically: ![]() As you lie on a table, the linear accelerator moves around you to deliver radiation from many angles. What you can expectĮxternal beam radiation for prostate cancer is conducted using a linear accelerator - a machine that directs high-energy beams of radiation into your body. Your radiation therapy team may perform computerized tomography (CT) scans to determine the exact area of your body to be treated.Īfter the planning process, your radiation therapy team decides what type of radiation and what dose you'll receive based on your stage of cancer, your general health and the goals for your treatment. Your radiation therapy team will make marks on your body to be used for setup during your radiation therapy sessions. It's crucial that you lie still during radiation treatment, so finding a comfortable position is vital.Ĭustomized immobilization devices are used to help you hold still in the right position. During simulation, your radiation therapy team works with you to find a comfortable position for you during treatment. How you prepareīefore you undergo external beam radiation therapy for prostate cancer, your health care team guides you through a planning process to ensure that radiation reaches the precise spot in your body where it's needed. Ask your doctor about potential side effects, both short- and long-term, that may occur during and after your treatment. Some side effects may develop months to years later. ![]() Most of the side effects are mild and tolerable.
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