Breast Fibrosis After Radiotherapy: What Helps — Fat Grafting, Physiotherapy and Reconstruction
Breast fibrosis after radiotherapy means that the skin and tissue become firmer, tighter and sometimes darker. It develops slowly, over months to years after radiation treatment. The good news: there are treatments that can make the tissue softer again. These include physiotherapy, skin care, fat grafting (lipofilling) and, in some cases, a breast reconstruction. This article explains in plain words what helps and when to speak to your care team.
In this article
What is radiation fibrosis of the breast?
Radiotherapy (radiation treatment) is aimed at cancer cells. In the treated area it also reaches healthy tissue. The tissue reacts with a kind of scarring from the inside. Doctors call this fibrosis. The breast then feels firmer, the skin is less stretchy, and the breast can look smaller or pulled out of shape.
Fibrosis is not a disease of the breast itself. It is a known late effect of radiotherapy. It can happen after breast-conserving surgery, after removal of the breast (mastectomy) and also after a breast reconstruction.
Radiation fibrosis or capsular contracture: what is the difference?
The two words sound alike, but they mean different things. Radiation fibrosis affects your own tissue: skin, fat and chest wall become firmer. Capsular contracture only happens with an implant. The body forms a thin layer of scar tissue around every implant. When that layer becomes thick and hard and pulls together, we call it capsular contracture. After radiotherapy both forms can occur together. The treatment is different. That is why it matters that your team works out exactly which one you have.
How breast fibrosis shows itself
The changes usually come on slowly. Many women first notice that the breast feels different than before. Common signs are:
A hard breast after radiotherapy, which feels firm or tense.
Thicker, darker or shiny skin in the treated area.
Breast tightness after radiation, sometimes with pulling or pain in the breast and armpit.
A breast that becomes smaller or is pulled upwards.
Less movement in the shoulder on the treated side.
With an implant: a breast that is harder, rounder and sits higher than the other one.
These signs are uncomfortable, but usually not dangerous. Even so, a new firm area or a lump should always be examined.
Why fibrosis develops after radiotherapy
Radiotherapy works in several phases. During the treatment the skin reacts with redness, swelling and tenderness. In the months afterwards the tissue builds up more firm connective tissue and becomes less stretchy. Over years the tissue can shrink further and become thicker.
At the same time the small blood vessels in the treated area change. The tissue gets less blood supply. That is why irradiated skin heals more slowly after later operations. And that is why many treatments aim to improve the blood supply and the elasticity.
Breast fibrosis after radiotherapy: treatment that helps
Fibrosis can rarely be undone completely. But it can often be eased a great deal. A combination of several measures usually works best. Which ones suit you depends on how strong the fibrosis is and on how your breast was treated.
Physiotherapy, stretching and scar massage
Physiotherapy is often the first step. Gentle stretching exercises for the shoulder, arm and chest wall keep the tissue mobile. Scar massage can loosen stuck areas and make the skin more supple. It is important to start early and to practise regularly. Ask a physiotherapist with experience in breast cancer to show you the exercises. Only stretch as far as you can without strong pain.
Skin care and lymphatic drainage
Irradiated skin is dry and sensitive. A mild, rich moisturiser keeps the skin elastic. Protect the area from the sun, because irradiated skin tolerates UV light less well. Some women also have swelling from trapped lymph fluid. Manual lymphatic drainage can then help. Ask your team whether this makes sense for you.
Fat grafting (lipofilling) for radiation damage
Fat grafting (lipofilling) is one of the most important treatments for fibrosis after radiotherapy. Your own fat is taken by liposuction from the abdomen or thigh and injected into the breast in thin layers. The fat does not only fill in dents. It also contains cells that help new blood vessels to form. In this way the irradiated tissue can become softer, more mobile and better supplied with blood.
The body absorbs part of the fat again. That is why several sessions are usually needed, a few months apart. The procedure is small and is often done as day surgery. You can read more in the article Fat grafting (lipofilling) for small breast defects after lumpectomy and radiation.
Medicines
Some clinics also use medicines when the fibrosis is severe. Whether that is an option for you is decided by your treating team. They know your whole treatment and can weigh the benefits against the side effects. Do not take any remedies on your own.
Implant and radiotherapy: what happens to the implant
Many women ask: can I have radiotherapy with an implant? Yes, that is possible. The implant itself is not damaged by the radiation. But the tissue around the implant does react. The risk of capsular contracture is clearly higher after radiotherapy than without it. Wound healing problems and a changed shape are also more common.
If the capsular contracture becomes troublesome, there are several routes:
Implant exchange: the hard scar tissue is removed and a new implant is placed. After radiotherapy, however, the problem can come back.
Fat grafting: lipofilling around the implant can make the skin softer and improve the cover over the implant.
Flap of your own tissue: the implant is replaced by your own tissue, for example from the abdomen or the back. Or a flap is added to cover the implant with healthy tissue.
Which route fits depends on your skin, your build and your wishes. This is explained in more detail in the article How radiation therapy affects your breast reconstruction options.
Breast reconstruction after radiotherapy: which reconstruction fits
After radiotherapy a reconstruction with your own tissue is usually preferred. Living tissue from your own body brings a fresh, non-irradiated blood supply to the chest wall. It copes better with the irradiated area and changes more predictably.
DIEP flap: skin and fat from the lower abdomen are transferred with their own blood vessels. The breast feels natural and soft.
Latissimus dorsi flap: tissue from the back is moved round to the breast. It is well suited to replace irradiated skin. Read more in the article Latissimus dorsi (LD) flap breast reconstruction.
Implant: also possible after radiotherapy, but with limits. The risk of capsular contracture and healing problems is higher. Some women choose an implant first and change to their own tissue later.
Fat grafting alone: with a small breast or after breast-conserving surgery, lipofilling in several sessions can be enough.
No method is the best one for everyone. Your team weighs up with you which reconstruction suits your body, your treatment and your wishes.
Timing: when to operate after radiotherapy
Straight after radiotherapy the skin is irritated and has a poor blood supply. An operation in this period heals less well. That is why the team usually waits some months, until the skin has recovered and the acute reaction has settled. There is no fixed waiting time that applies to everyone.
Before the decision, your team assesses the skin, the scars, the blood supply and the rest of your cancer treatment. With fat grafting too, the team waits until the breast has healed. Ask which moment makes sense in your case.
When to speak to your care team
Contact your care team if:
the breast suddenly becomes harder, warmer, redder or more painful;
you feel a new lump or a new firm area;
the skin breaks open, weeps, or a wound does not heal;
the shoulder becomes stiffer and stiffer, or you can lift your arm less well;
the shape or firmness of the breast troubles you in daily life.
Many of these problems can be treated well. The earlier you raise them, the more options there are.
Frequently asked questions about breast fibrosis after radiotherapy
Breast fibrosis after radiotherapy: which treatment helps?
There is no single treatment that makes fibrosis disappear completely. Usually a combination helps: physiotherapy with stretching and scar massage, good skin care and, if needed, fat grafting (lipofilling). If the breast has changed a lot, a reconstruction with your own tissue can also make sense. Your care team chooses the right path together with you.
What is the difference between radiation fibrosis and capsular contracture after radiation?
With radiation fibrosis your own breast and skin tissue becomes firmer and less stretchy. Capsular contracture only affects women with an implant: the scar tissue around the implant pulls together and becomes hard. Both can happen after radiotherapy, and they can happen at the same time.
Hard breast after radiotherapy: is this normal?
A firmer breast is common after radiotherapy and usually develops slowly over months. It is a known late effect of the treatment. Even so, show every new firm area, every lump and every sudden change to your care team. Only an examination can tell what is behind it.
Can fat grafting make the breast soft again after radiation?
Yes, fat grafting (lipofilling) can make irradiated tissue softer and more mobile. Your own fat is taken by liposuction and injected into the breast in thin layers. Several sessions are usually needed, because the body absorbs part of the fat again.
Implant and radiotherapy: what happens to the implant?
The implant itself is not damaged by the radiation. But the tissue around the implant does react: the risk of capsular contracture, of wound healing problems and of a changed shape is clearly higher than without radiotherapy. That is why your team discusses beforehand whether an implant is the best route for you.
Breast reconstruction after radiotherapy: which reconstruction is possible?
After radiotherapy a reconstruction with your own tissue is usually preferred, for example a DIEP flap from the abdomen or a latissimus dorsi flap from the back. Living, non-irradiated tissue copes better with the irradiated area. An implant is also possible, but with a higher risk of problems.
How long after radiotherapy can a breast reconstruction be done?
There is no fixed waiting time that applies to everyone. Usually the team waits some months, until skin and tissue have recovered and the acute reaction has settled. Your care team assesses the skin, the scars and the blood supply, and sets the moment together with you.
Does physiotherapy help with breast fibrosis after radiotherapy?
Physiotherapy can help to keep movement and stretch. Gentle stretching exercises for the shoulder and chest wall, and scar massage, often make the tissue more supple. It is important to start early and to practise regularly. Ask a trained professional to show you the exercises.
Questions to ask your care team
Do I have radiation fibrosis, capsular contracture, or both?
Which exercises and which skin care do you recommend for me?
Is fat grafting an option for me, and how many sessions would be needed?
Which reconstruction suits me best after my radiotherapy?
How long should I wait after radiotherapy before an operation?
Related articles
How Radiation Therapy Affects Your Breast Reconstruction Options
Fat Grafting (Lipofilling) for Small Breast Defects After Lumpectomy and Radiation
Latissimus Dorsi (LD) Flap Breast Reconstruction: How It Works, Scars, Recovery
Tissue Expander and Implant-Based Breast Reconstruction: The Complete Guide
Written by Dr. Mahyar Foumani, plastic and reconstructive surgeon specializing in breast reconstruction. Based on the book 'Breast Reconstruction Explained.'
This article is education, not medical advice
This article explains in plain words how breast reconstruction works. It is meant to help you understand what is possible, so that you and your doctor can make a good decision together. It does not replace personal medical advice.
Every situation is different. What is best for you depends on your body, your illness, your treatment and your own wishes. So always follow the advice of your own doctor or care team. Do you have symptoms, or are you unsure about something? Please contact your doctor or GP. In an emergency, call your local emergency number.
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