Swelling of the arm and chest on the side of surgery is normal right after surgery. But it should get better as you heal. Swelling that doesn't get better is called lymphedema. It can happen anytime after breast surgery, even many years later. Your hand on the treated side can also swell. Your arm may feel heavy.
Reducing the normal flow of lymph in the arm causes lymphedema. This can happen if lymph nodes under the arm are removed. Or it can happen if the underarm is treated with radiation therapy. Depending on the type of surgery and other treatments you get, you may be at risk for lymphedema for the rest of your life.
Talk with your treatment team about your risk for lymphedema and what you should do to decrease your chance of developing lymphedema. You can ask to meet with a specially trained lymphedema therapist to learn more. Once lymphedema happens, it can't be cured. Learn what you can do to help limit problems, such as:
- Return to normal use of the arm on the side of the surgery as you heal.
- Protect your hand and arm from infection. Wash your hands often. Wear gloves when cleaning or gardening. Use sunscreen and bug spray to prevent bug bites. Keep any scratches, cuts, or bug bites clean.
- Keep the fluid moving in your arm on the treated side. Don't wear tight sleeves or elastic cuffs. Wear loose bracelets, wristwatches, and rings on that arm.
- Do the exercises you're given after surgery. They help prevent swelling and improve circulation. For example, you may be told to squeeze a rubber ball with your hand.
- Don't have any blood draws on the affected side, if your doctor tells you not to. They may also tell you not to have an I.V. or get a shot on the affected side. Not all doctors agree with this recommendation. Ask your doctor what they advise for you.