Medical Oncologist
CION Cancer Clinics
Closing the defect: direct closure, graft or flap | CION Cancer Clinics
After a wide local excision, the gap left behind is closed in one of four ways: stitched straight together, covered with a skin graft, filled with a nearby flap of skin, or left to heal on its own. Your surgeon chooses the simplest method that will heal well, based on the size of the gap, where it is, and your health. This page explains each option and what to ask. 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
- How is the wound closed after a wide excision?
- What are the choices for closing the gap?
- What does the surgeon weigh when choosing?
- What do the words on the form mean?
- What do families often worry about that is not quite true?
- What should you ask before the operation?
- Common questions about closing the wound
The short answer
How is the wound closed after a wide excision?
There are four main ways: stitching the edges together, covering the gap with a skin graft, moving nearby skin across as a flap, or leaving the wound to heal on its own. Your surgeon picks the simplest method that will heal well and keep the area working, based on how big the gap is and where it sits.
What "the defect" means
After the cancer and its rim of normal tissue are removed, a gap is left. Surgeons call that gap the defect. It is not a mistake or a fault. It is simply the hole that has to be closed. The rim of normal tissue is called the margin, and a wider margin usually means a bigger gap.
Why the plan can change on the day
The surgeon plans the closure before the operation, but the final size of the gap is only known once the cancer is out. Sometimes a wound that was meant to be stitched needs a graft instead. Ask your surgeon to explain the likely plan and the back-up plan before you sign the consent form, so neither comes as a shock.
This page explains the options. It cannot tell you which one your wound needs. Only your surgeon, who has examined the area, can say that.The options
What are the choices for closing the gap?
Surgeons often think of these as a ladder. They start with the simplest method and only move up when the simpler one will not do the job.
Direct closure
The edges are drawn together and stitched in a straight line. It leaves one scar, often longer than the lump, because the wound is cut into an oval so it lies flat.
Suits
- Smaller gaps
- Areas with loose skin
Skin graft
A thin sheet of skin is taken from another part of your body and laid over the gap. It leaves a second wound, called the donor site, which also needs care.
Suits
- Wider, shallow gaps
- Places where skin cannot stretch
Flap
Nearby skin, sometimes with fat or muscle, is moved across the gap while still attached to its own blood supply. It often matches colour and thickness better than a graft.
Suits
- Deeper gaps
- The face, joints and exposed bone or tendon
Healing on its own
Some wounds are left open with dressings and fill in slowly from the base. It takes longer and needs regular dressing changes, but avoids a second wound.
Used for some small wounds, often on the scalp or in a hollow of the face.Not sure whether this applies to you?
Ask an oncologistBehind the decision
What does the surgeon weigh when choosing?
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Making sure the cancer is out
Removing the cancer with a clear margin comes first. A closure is never allowed to shrink the margin. If the edges might need checking again, the surgeon may use a simple closure or a temporary dressing and wait for the laboratory report before a flap.
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The size and depth of the gap
A small, shallow wound on loose skin can usually be stitched. A wide or deep one, or one where bone or tendon shows, needs more cover.
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Where on the body it is
Around the eye, lips, nose, hands and joints, pulling the skin tight can distort the face or limit movement. Those areas often need a flap or graft even when the gap is small.
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Your health and your skin
Smoking, diabetes and earlier radiotherapy to the area all slow healing and affect how well a graft or flap takes.
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What you want from the result
Some people care most about the shortest recovery, others about how the scar looks. Tell your surgeon which matters more to you.
On your consent form
What do the words on the form mean?
- Split-thickness skin graft
- A very thin shaving of the top layers of skin, often from the thigh. The donor site heals like a graze.
- Full-thickness skin graft
- The whole depth of skin, often from behind the ear, the neck or the groin. The donor site is stitched closed.
- Local flap
- Skin moved from right next to the wound, keeping its blood supply.
- Free flap
- Tissue moved from a distant part of the body, with its blood vessels joined to new ones under a microscope. Used for large wounds.
- Primary closure
- Another name for stitching the edges straight together.
- Reconstruction
- Any method used to rebuild the area after the cancer is removed.
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Commonly believed
What do families often worry about that is not quite true?
"A flap is always better than a graft."
Neither is better in general. A flap can give a closer match on the face, but it is a bigger operation with more scarring nearby. A graft can be the simpler and safer choice for a wide, shallow wound. The right method depends on the wound.
"The surgeon should keep the cut small so the scar is small."
The margin is set by the cancer, not by the scar. Taking less to save skin raises the chance the cancer grows back in the same place. The closure is planned around the margin, never the other way round.
"If a graft is needed, the operation went badly."
A graft usually means the gap was too wide to stitch safely. That is a normal part of planning, and your surgeon may have mentioned it as a possibility beforehand.
"A wound left open has been forgotten."
Letting some wounds heal on their own is a deliberate choice. In certain places it gives a flat, pale scar and avoids a second wound elsewhere. It does need regular dressings and follow-up.
Being straight with you
What should you ask before the operation?
Ask how the wound is likely to be closed, and what the surgeon will do if the gap turns out bigger than expected. Ask whether the surgeon who removes the cancer will also close the wound, or whether a plastic or reconstructive surgeon will join.
Ask about the second wound
If a graft or flap is possible, ask where the skin would be taken from. That area will need its own dressing and care, and it can sometimes be sorer than the main wound for the first days.
Ask about dressings and movement
A graft needs to stay still while it takes. You may be asked to rest the area, keep a limb raised, or avoid bending a joint. Ask how long, and who will change the dressing. Plan help at home if you live far from the centre.
What no one can promise
Grafts and flaps usually take well, but sometimes part of one does not survive and needs more treatment. Your surgeon should explain this risk for your situation. The final look of a scar settles slowly over many months.
Did you know
When a margin result is still awaited, some surgeons cover the wound for a short time and close it once the report confirms the edges are clear. It avoids moving a flap over an area that may need more surgery.
Questions we are asked
Common questions about closing the wound
Will I know before surgery whether I need a graft or flap?
Usually you will be told the likely plan and the possible alternatives. The final choice can change once the cancer is out and the real size of the gap is seen. Ask your surgeon to write both the planned and back-up methods on your consent form, so you and your family know what to expect.
Is a flap a bigger operation than a graft?
A local flap is often done in the same operation and may add little time. A free flap, where tissue is moved from far away and its blood vessels rejoined, is a much longer operation with a hospital stay. Ask which type is being discussed, because the recovery is very different.
Can a graft fail?
Sometimes part of a graft does not take, often because fluid collected under it, it moved, or blood supply to the area was poor. Small areas often heal with dressings. Larger losses may need another graft. Keep the area still as advised and do not remove the dressing yourself.
Will the graft look different from the skin around it?
Often, at least at first. A graft can look darker, paler, shinier or flatter than the surrounding skin, and this is more noticeable on darker skin. The colour usually settles over months. Ask whether a full-thickness graft or flap would give a closer match for your wound.
Does smoking affect how the wound closes?
Yes. Smoking and chewing tobacco reduce blood flow to the skin, which makes grafts and flaps more likely to fail and wounds slower to heal. Stopping before surgery helps. Tell your surgeon honestly how much you use, and ask the team for support to stop.
My father has diabetes. Does that change the plan?
It can. High blood sugar slows healing and raises the chance of infection. The team will check his sugar control before surgery and may adjust the closure method. Do not change his diabetes medicines on your own. Ask his doctor how they should be taken around the operation.
Who looks after the dressings once we go home?
Ask this before you leave. Some dressings stay in place until the first clinic visit, and others need changing by a nurse. If you live in a district far from Hyderabad, ask whether a local nurse or clinic can help, and what signs mean you should come back sooner.
What signs mean we should call the team?
Call if there is a fever, spreading redness, bad-smelling fluid, fresh bleeding that does not stop with pressure, or pain that keeps getting worse. Also call if a graft or flap turns dark, black or cold. These need to be seen quickly, not at the next routine visit.
Meet the Specialists
17+ senior cancer specialists. One panel for your case.
Trained at AIIMS, Tata Memorial, and leading international centres. Combined 150+ years of experience. Every complex case is reviewed by 3+ of them — together.
Medical Oncologist
Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
Medical Oncologist
Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
Medical Oncologist
Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
Medical Oncologist
Medical Oncologist
Surgical Oncologist
Dr. Muralidhar Muddusetty
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
Surgical Oncologist
Surgical Oncologist
Surgical Oncologist
Dr. Vinay Mamidala
MBBS, MS(General Surgery), M.Ch(Surgical Oncology), FMAS, FARIS(Ongoing)
Surgical Oncologist
Radiation Oncologist
Radiation Oncologist
Radiation Oncologist
Hematologist
Surgical Oncologist
Dr. Vajja Sandeep Kumar
MBBS, MS (General Surgery), DrNB (Surgical Oncology), FALS Oncology
Surgical Oncologist
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Sources
- NHS — Skin graft
- Cancer Research UK — Surgery for melanoma skin cancer
- American Cancer Society — Surgery for Basal and Squamous Cell Skin Cancers
- Macmillan Cancer Support — Surgery for melanoma
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
Skin Grafts: Donor Site and HealingCaring for the graft and the second woundHow Wide Is 'Wide'? Margins by Cancer TypeWhy the margin decides the size of the gapWide Excision on the Face: Cosmetic OutcomeWhen the closure is on the faceWound, Stitches and ScarsLooking after the wound once you are home
Talk to us
Told you may need a graft or flap?
Call the helpline or send us your reports. A surgical oncologist will explain the closure options usually considered for a wound like yours and what to ask your surgeon. One helpline serves every CION centre.