How does radiotherapy work breast cancer




















After you complete radiation therapy, your radiation oncologist or other medical professionals will schedule follow-up visits to monitor your progress, look for late side effects and check for signs of cancer recurrence.

Make a list of questions you want to ask members of your care team. Explore Mayo Clinic studies of tests and procedures to help prevent, detect, treat or manage conditions. Radiation therapy for breast cancer care at Mayo Clinic. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version. This content does not have an Arabic version. Overview Radiation therapy Open pop-up dialog box Close.

Radiation therapy External beam radiation uses high-powered beams of energy to kill cancer cells. The latest on newly diagnosed breast cancer Up-to-date information on recurrent breast cancer Specialized treatment information for high risk breast cancer Error Select a topic. Email address. Thank you for subscribing You will receive the first breast cancer email in your inbox shortly, which will include information on treatment, diagnosis, surgery and how breast cancer teams at Mayo Clinic approach personalized care.

Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry. Request an Appointment at Mayo Clinic. Share on: Facebook Twitter. Show references Bland KI, et al. Elsevier; Accessed Dec. Tepper JE, et al. Breast cancer: Stages I-II. Accessed Oct. Taghian A. Radiation therapy techniques for newly diagnosed, non-metastatic breast cancer.

Radiation therapy and you: Support for people with cancer. National Cancer Institute. Adjuvant radiation therapy for women with newly diagnosed, non-metastatic breast cancer. Professions in radiation therapy. Office of Patient Education.

Breast cancer guide. Mayo Clinic; Mutter RW expert opinion. Mayo Clinic. Accessed Jan. Member institutions. Alliance for Clinical Trials in Oncology. Translational Breast Cancer Research Consortium. Member institution lists. NRG Oncology. Hieken TJ, et al. This information will be used to plan CCNSW services and to campaign for broader health system changes to improve the quality of life of people affected by cancer. Learn more about: When is radiation therapy recommended?

Planning radiation therapy Having radiation therapy Side effects of radiation therapy Video: What is radiation therapy? When is radiation therapy recommended? Radiation therapy is recommended: after breast-conserving surgery after a mastectomy — if pathology results suggest the risk of recurrence is high or if the cancer has spread to the lymph nodes you may have radiation to the chest wall and lymph nodes above the collarbone if the sentinel node is affected — you may have radiation to the armpit instead of axillary dissection.

Planning radiation therapy Treatment is carefully planned to have the greatest effect on the cancer cells and to limit damage to the surrounding healthy tissues. Having radiation therapy You will probably have radiation therapy daily from Monday to Friday for 3—6 weeks. Side effects of radiation therapy Radiation therapy may cause the following side effects: Tiredness You may start to feel tired or lack energy for day-to-day activities 1—2 weeks after radiation therapy begins. Red and dry skin The skin at the treatment area may become dry and itchy.

Skin problems Less commonly, your skin may peel or become very irritated. Aches You may feel minor aches or shooting pains that last for a few moments during treatment. Swelling Some people develop fluid in the breast oedema that can last for up to 12 months or, in some cases, longer. Other side effects Other side effects can develop months or years after radiation therapy.

Podcast: Coping with a Cancer Diagnosis Listen now. Key resource Download a PDF booklet on this topic. This information was last reviewed in July View who reviewed this content. Need to talk? Call 13 11 20 to talk to a health professional Or email us your questions. Support services Coping with cancer? Speak to a health professional or someone who has been there, or find a support group or forum Need legal and financial assistance?

Cancer information What is radiation therapy? Key questions about radiation therapy as part of cancer treatment Making cancer treatment decisions Decision-making steps, consent and second opinions. Close this module Share your experience. Go to the survey. Call freephone 9 to 5 Monday to Friday or email us. Skip to main content. Home About cancer Breast cancer Treatment for breast cancer Radiotherapy for breast cancer. Planning radiotherapy The radiotherapy team plan your treatment by working out the exact dose of radiotherapy you need.

Having radiotherapy for breast cancer You might have external beam radiotherapy after breast surgery to lower the risk of the cancer coming back. Side effects of breast radiotherapy The side effects of external radiotherapy to the breast include tiredness and changes to the skin in the treatment area.



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