How long does it take to recover from radiation therapy for breast cancer? You may start to notice side effects about 2 weeks after you start radiation therapy. They may get worse during your radiation therapy, but they’ll slowly get better over 6 to 8 weeks after your last treatment. Some side effects may take longer to go away.
Does radiation for breast cancer make you sick? Radiation to the breast can sometimes damage some of the nerves to the arm. This is called brachial plexopathy and can lead to numbness, pain, and weakness in the shoulder, arm, and hand. Radiation to the underarm lymph nodes might cause lymphedema, a type of pain and swelling in the arm or chest.
How long do the side effects of radiotherapy for breast cancer last? Most side effects gradually go away in the weeks or months after treatment. But some side effects can continue or might start some months or years later. Most of these side effects are rare. You might get one or two of them.
What is the success rate of radiation therapy for breast cancer? Radiation therapy decreased the risk of dying from cancer by approximately 33%. The probability of surviving 10 years from treatment was increased from 54% to 64% and 45% to 54% in the two studies, respectively. No significant long-term side effects of radiation therapy were reported.