Medical Oncologist
CION Cancer Clinics
What the breast looks like after a lumpectomy | CION Cancer Clinics
After a lumpectomy the breast keeps its overall shape. There is a scar, and often a slight dent or a small difference in size from the other side. For a small tumour in a medium or large breast the change is usually hard to see in clothes. This page explains why the breast changes, how the look settles over the first year, and what can be done if the result bothers you. CION Cancer Clinics’ surgical oncologists in Hyderabad can talk this through with you.
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Medically reviewed by Dr. Muralidhar MuddusettyConsultant Surgical Oncologist · MBBS (AIIMS), MS (Surgery, AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh) · last reviewed September 2026, next review due September 2027
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On this page
- What does the breast look like after a lumpectomy?
- How the look changes from the first week to the first year
- The five changes most women describe
- What settles on its own, and what may need help
- Three things families tell us, and what is actually true
- What this page cannot tell you
- Common questions about how the breast looks afterwards
The short answer
What does the breast look like after a lumpectomy?
After a lumpectomy the breast keeps its overall shape, with a scar and often a slight dent or a small difference in size from the other side. For a small tumour in a medium or large breast the change is usually hard to see in clothes. For a larger piece, or a smaller breast, the dent and the size difference are more noticeable.
Why the breast changes at all
Tissue has been removed, and the space it leaves fills with fluid and then with scar. As the scar tightens over months it can pull the skin inwards, which is what makes a dent. Radiotherapy afterwards adds its own change: the treated breast often becomes a little firmer and can shrink slightly over the following year.
What the final look depends on
The size of the piece removed compared with the size of the breast matters most. Where the tumour sat matters too. A piece taken from the lower half of the breast, or near the nipple, changes the shape more than the same piece from the upper outer part. Whether the surgeon reshaped the remaining tissue at the time also makes a real difference.
The look at two weeks is not the final look. Swelling, bruising and a firm lump under the scar are all part of healing and settle over months.Month by month
How the look changes from the first week to the first year
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The first days
The breast is swollen and bruised, and may look larger than before, not smaller. The scar is covered by a dressing. Some fluid collects in the cavity and can make the area feel full or firm. None of this is the final result.
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The first month
Swelling goes down and the bruise fades through yellow. A firm ridge along the scar is normal. The dent, if there is one, starts to show as the swelling that was hiding it settles.
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During and after radiotherapy
The skin can redden and darken like sunburn, then peel and fade. The breast may feel heavier and firmer. Some of this settles within weeks of finishing; the firmness can take much longer.
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Around a year
The scar has faded from red to pale, the swelling is gone, and the shape you see now is close to the shape you will keep. This is the point at which the team can judge whether anything more, such as a small operation for symmetry, would help.
Not sure whether this applies to you?
Ask an oncologistWhat people notice
The five changes most women describe
Not everyone has all of these, and most have only one or two. Knowing them in advance makes them less alarming.
A dent or hollow
Where the piece came out, the skin may sink slightly as the scar beneath it tightens. More likely when the piece was large or sat just under the skin.
One side smaller
Tissue has been removed, so the treated breast is a little smaller. Radiotherapy can shrink it slightly more. In a bra the difference is often invisible; without one it may be noticed.
What helps
- A partial shell or padding in the bra
- A small operation on either breast later
The scar
Usually a line a few centimetres long, placed along the curve of the breast or around the edge of the areola where possible. Red and raised at first, pale within a year.
The nipple pointing differently
If tissue was taken from one side of the nipple, the scar can pull it slightly towards the dent. It is usually mild.
Firmness and numbness
The area around the scar often feels harder than the rest of the breast, and the skin over it may be numb. Both usually ease over months, though a patch of numbness can stay.
A new lump months later, or one that grows, should always be checked rather than assumed to be scar.Side by side
What settles on its own, and what may need help
Usually settles by itself
May need something done
Swelling and bruising in the first weeks
A fluid collection that is tight and uncomfortable, which can be drained with a needle
A firm ridge under the scar
A dent that still bothers you after a year, which can sometimes be filled with your own fat
Skin redness and darkening after radiotherapy
A clear size difference, which a small operation on the other breast can balance
A red, raised scar fading to pale
A thick, itchy, growing scar, which silicone sheets or an injection can help
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Commonly believed
Three things families tell us, and what is actually true
"A dent means the surgeon took too much."
A dent comes from where the tissue sat and how the scar tightened, not from a mistake. The surgeon takes what is needed for a clear edge. Whether the remaining tissue was reshaped at the time is what mostly decides if a dent forms.
"The breast will look normal again by the time the stitches come out."
At that point it is swollen, bruised and firm, and it can look worse than it will. The true shape takes months to appear, and radiotherapy changes it again. Judge the result at a year, not at two weeks.
"If I wanted it to look good I should have chosen a mastectomy with reconstruction."
For most women a lumpectomy leaves a breast that looks and feels far more like the original than a rebuilt one does, and keeps its sensation. Reconstruction is a good option for some, but it is a bigger operation with its own scars and its own changes.
!
One change that cannot wait
A breast that suddenly becomes much more swollen, tight and painful in the first day or two after surgery, or a scar that turns red, hot and starts to leak at any point, needs to be seen the same day. The first can be bleeding into the cavity and the second an infection. Call the helpline or go to the nearest emergency department and say you have had breast surgery. Do not wait for your next appointment.
Being straight with you
What this page cannot tell you
This page cannot tell you how your own breast will look. That depends on your breast size, the tumour position, how much is removed, whether the tissue is reshaped, and how your skin heals. Your surgeon can show you where the scar will sit and give you an honest idea of the likely change before the operation. Ask.
Who should ask about reshaping at the time of surgery
If the piece will be large compared with your breast, or the tumour sits in the lower half or near the nipple, ask whether the surgeon can move the remaining tissue to fill the gap during the same operation. This is called oncoplastic surgery. It is not needed for every lumpectomy, and not every centre offers every version of it, so ask what yours does.
When a difference between the two sides matters to you
It is reasonable to want the two breasts to match. Once the treated side has settled, usually after radiotherapy and around a year, a surgeon can talk about lifting or reducing the other breast, or filling a dent. Some schemes and insurers cover this and some do not, so ask early.
Nobody should tell you the way the breast looks does not matter. It does, and it is part of your treatment, not vanity.Questions we are asked
Common questions about how the breast looks afterwards
Will anyone be able to tell I have had surgery?
In clothes, almost never. A well-fitting bra hides a small size difference, and the scar sits under it. Without clothes, a partner may notice a scar and perhaps a dent. Most women say it looks more obvious to them than to anyone else.
Where will the scar be?
Your surgeon plans it before the operation and will show you. Where possible it follows the natural curve of the breast, sits in the fold underneath, or runs around the edge of the darker skin of the areola, where it fades well. Ask to see where it is planned.
Can I wear my normal bra?
A soft, supportive bra without underwire is more comfortable for the first weeks, day and night, because it holds the breast still and reduces swelling. Once the scar has healed and radiotherapy is finished, most women return to their usual bras.
Why does the breast feel hard and lumpy under the scar?
The cavity fills with fluid and then with scar tissue, and radiotherapy firms it further. That makes a hard area that can feel like a lump. It usually softens over months. Any new lump, or one that grows, should be checked rather than assumed to be scar.
Will the nipple still have feeling?
Usually yes. A lumpectomy leaves the nipple and most of the nerves to it in place. The skin around the scar itself is often numb for months, and a small patch may stay numb. Numbness of the whole nipple is uncommon after a lumpectomy.
Can the dent be fixed later?
Sometimes. Once the breast has settled, fat taken from elsewhere on your body can be injected to fill a hollow, or the tissue can be rearranged. Results vary and it may need more than one session. Ask your surgeon once radiotherapy is well behind you.
Will radiotherapy make it look worse?
During treatment the skin reddens and can peel, and the breast swells a little. That settles. Over the following year the breast can become slightly smaller and firmer than the other side. For most women the change is modest, and it is the price of keeping the breast.
Is surgery to match the other breast covered by insurance?
It depends on the scheme. Aarogyasri, CGHS, ECHS and EHS cover the cancer operation itself; cover for a later symmetry operation varies and some insurers treat it as cosmetic. Call the helpline with your card details and we will check what your specific cover includes.
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Dr. C. Raghavendra Reddy
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Dr. Muralidhar Muddusetty
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
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Dr. Vinay Mamidala
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Dr. Vajja Sandeep Kumar
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Sources
- Cancer Research UK — Breast conserving surgery (lumpectomy)
- Macmillan Cancer Support — Breast-conserving surgery
- American Cancer Society — Breast-conserving Surgery (Lumpectomy)
- NHS — Breast cancer in women - Treatment
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
Keep reading
Related pages
Breast Shape and Symmetry After LumpectomyOptions for matching the two sides laterOncoplastic Breast Surgery ExplainedReshaping the breast during the same operationHardness and Lumps in the Breast After SurgeryWhy the scar area feels firm and when to have it checkedHow Much Breast Tissue Is Removed?What sets the size of the piece takenWound, Stitches and ScarsLooking after the scar at home
Talk to us
Worried about how the breast will look, or how it looks now?
Call the helpline or send us your reports. A surgical oncologist will tell you what to expect for your own breast and what the options are if the shape bothers you. One helpline serves every CION centre.