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Home > Living Well > Health Library > Radiation for Early-Stage Breast Cancer
External beam radiation therapy uses doses of radiation to kill cancer cells. A beam of radiation is aimed at the tumor from outside the body. This treatment is given to most people with early-stage breast cancer who choose breast-conserving surgery such as lumpectomy.
Radiation therapy for early-stage breast cancer can be given in two different schedules.
The doctor will look at the stage of the tumor and other things. This is to help decide which course may be right for you. Ask your doctor to go over both of these options with you.
Standard radiation therapy is given to most people with early-stage breast cancer who choose breast-conserving surgery such as lumpectomy. It may also be given after a mastectomy if there's cancer in the lymph nodes.
If you've had breast-conserving surgery, you may choose to get hypofractionated radiation. This is a shorter course of treatment. But the doses of radiation are higher.
Studies have shown that standard and hypofractionated treatment work equally well. Both can keep cancer from coming back in women who have early-stage breast cancer.
External beam radiation works well to destroy cancer cells, but it can also harm normal cells. This can lead to side effects.
The most common short-term side effects of radiation therapy for breast cancer are:
Most short-term side effects will go away within a few weeks after you finish treatment. But it may take longer to get your energy back.
Some side effects may occur months or years after radiation therapy. These long-term side effects may include:
Current as of:
May 4, 2022
Author: Healthwise StaffMedical Review: E. Gregory Thompson MD - Internal MedicineKathleen Romito MD - Family MedicineJimmy Ruiz MD - Hematology, Oncology
Current as of: May 4, 2022
Author: Healthwise Staff
Medical Review:E. Gregory Thompson MD - Internal Medicine & Kathleen Romito MD - Family Medicine & Jimmy Ruiz MD - Hematology, Oncology
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