Radiation therapy to the breast can cause some side effects. Some begin during treatment while others may occur months or even years later.

Jan 10, 2025 · Find out why doctors use radiation treat breast cancer. Learn what to expect and the side effects of breast cancer radiation, including proton therapy.

Sep 11, 2025 · Radiation therapy for breast cancer can cause skin irritation and tiredness, as well as long-term effects such as lymphedema (swelling). A healthcare provider can help you to understand …

Jun 11, 2024 · This method presents similar side effects to conventional radiation therapy, but because of higher doses, they may be more intense. You can expect short-term effects such as skin irritation, …

Jan 19, 2023 · If you need radiation therapy as a part of your breast cancer treatment, you may have questions about side effects. What are the most common side effects, for instance? How long will …

Dec 19, 2025 · Learn all about radiation therapy for breast cancer, how it works, the different types of treatments, and the possible side effects.

Oct 1, 2024 · Your care team may suggest breast cancer radiation therapy after a lumpectomy or after a mastectomy. To understand how radiation therapy fits into breast cancer treatment, this is a good …

Jul 3, 2025 · Radiation therapy after a lumpectomy can begin as early as one month after surgery. But most people begin radiation about two to three months after having a lumpectomy.

Radiotherapy for breast cancer can cause side effects. Some of these include swelling, difficulty moving your arm and shoulder, tiredness and changes to the skin in the treatment area.

Here are some of the most common side effects of radiation therapy to the breast that usually begin and end within a limited period of time. About 2 or 3 weeks after your first treatment, you may begin to …