Radiation for Early-Stage Breast Cancer

Radiation for Early-Stage Breast Cancer

Treatment Overview

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.

How long the treatment takes

Radiation therapy for early-stage breast cancer can be given in two different schedules.

  • Standard radiation therapy. This is usually given 5 days a week. Treatment takes 5 to 6 weeks.
  • Hypofractionated radiation therapy. This is given in slightly higher doses. It's done 5 days a week. Treatment takes about 3 to 4 weeks.

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.

Why It Is Done

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.

How Well It Works

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.

Risks

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:

  • Feeling very tired (fatigue).
  • Skin changes in the treated area. The skin may be red, dry, and sore. Toward the end of treatment, the skin may become moist and "weepy."
  • Swelling in the treated breast.

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:

  • Changes in skin texture where you had radiation.
  • Numbness in your arm from nerve damage.
  • Swelling in the arm (lymphedema) if lymph nodes in the armpit were treated.
  • In rare cases, heart or lung problems.
  • Very rarely, a second cancer.

Credits

Current as of: December 17, 2020

Author: Healthwise Staff
Medical Review:
E. Gregory Thompson MD - Internal Medicine
Kathleen Romito MD - Family Medicine
Jimmy Ruiz MD - Hematology, Oncology

Disclaimer: The information contained in this website, and its associated websites, is provided as a benefit to the local community, and the Internet community in general; it does not constitute medical advice. We try to provide quality information, but we make no claims, promises or guarantees about the accuracy, completeness, or adequacy of the information contained in or linked to this website and its associated sites. As medical advice must be tailored to the specific circumstances of each patient and healthcare is constantly changing, nothing provided herein should be used as a substitute for the advice of a competent physician. Furthermore, in providing this service, Adventist HealthCare does not condone or support all of the content covered in this site. As an Adventist health care organization, Adventist HealthCare acts in accordance with the ethical and religious directives for Adventist health care services.

Find a Doctor

Find an Adventist HealthCare affiliated doctor by calling our FREE physician referral service at 800-642-0101 or by searching our online physician directory.

View Doctors

Set Your Location

Setting your location helps us to show you nearby providers and locations based on your healthcare needs.