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Ablation for liver tumours: destroying a liver cancer with heat | CION Cancer Clinics
Liver ablation destroys a tumour with heat through a thin needle, instead of cutting part of the liver away. It is mostly used for small liver cancers, few in number, especially in a liver already scarred by hepatitis or alcohol. It does not suit large or many tumours. This page explains who it is used for, what happens, the risks and what it cannot tell 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 is liver tumour ablation, and when is it used?
- What does the team look at before offering ablation?
- What happens from the planning scan to the follow-up scan?
- What do the words on the ablation report mean?
- Who is ablation usually not suitable for?
- What do families often believe about liver ablation?
- How does ablation compare with removing part of the liver?
- Common questions about ablation for liver tumours
The short answer
What is liver tumour ablation, and when is it used?
Liver ablation destroys a tumour inside the liver with heat, using a thin needle passed through the skin, instead of cutting that part of the liver out. It is mostly used for small tumours, few in number, in people whose liver or general health makes a larger operation a poor choice.
Which liver tumours it is used for
The most common reason is hepatocellular carcinoma, often shortened to HCC on a report. That means a cancer that started in the liver itself, usually in a liver already scarred by hepatitis B, hepatitis C, alcohol or fatty liver disease. Ablation is also used for a few spots that have spread to the liver from somewhere else, most often from bowel cancer.
Why a scarred liver changes the choice
When the liver is already damaged, removing a piece of it can leave too little working liver behind. Ablation takes away the tumour and a thin rim of tissue around it, and leaves the rest of the liver alone. For some people that is the difference between a treatment they can recover from and one they cannot.
Ablation is one of several options for liver tumours. This page explains it. It cannot tell you whether it is the right one for you.Before a plan is made
What does the team look at before offering ablation?
No single test decides it. The surgeon, the doctor who places the needle and the liver specialist look at these together.
Size of the tumour
Heat reaches only so far from the needle. Small tumours can be destroyed completely with a safe rim around them. Larger ones are more likely to leave living cancer cells at the edge.
How many tumours there are
A single tumour or a small handful can often be treated in one session. When there are many, ablation stops being a sensible way to reach them all.
Where it sits
Large blood vessels carry heat away and can protect cancer cells next to them. Tumours close to the main bile ducts, the bowel, the gallbladder or the diaphragm need extra care or a different approach.
Sometimes made possible by
- Doing it during keyhole surgery
- Moving nearby bowel away with fluid
How well the liver works
Blood tests for clotting, bilirubin and albumin, and signs such as fluid in the tummy, show how much reserve the liver has. A liver close to failing may not tolerate any local treatment.
Not sure whether this applies to you?
Ask an oncologistThe pathway
What happens from the planning scan to the follow-up scan?
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Scans and blood tests
A recent contrast CT or MRI of the liver maps each tumour. Blood tests check your clotting and liver function. A tumour marker called AFP is often measured, so there is a starting value to compare with later.
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Medicines are reviewed
Blood thinners such as aspirin, clopidogrel or warfarin matter here. Your doctors will tell you whether and when to pause any of them. Do not stop or change one on your own.
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The procedure
You are either given a general anaesthetic or kept deeply sleepy. Using ultrasound or CT to see inside, the doctor guides the needle into the tumour and switches on the energy for several minutes at a time.
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The first night
Most people stay in hospital overnight. Pain under the right ribs or in the right shoulder is common, because the liver shares nerves with the shoulder. It usually settles with ordinary painkillers.
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The check scan
A contrast scan some weeks later shows whether the whole tumour was destroyed. After that, regular scans and blood tests look for any new tumour elsewhere in the liver.
On your report
What do the words on the ablation report mean?
- Percutaneous
- Done through the skin with a needle, with no open cut.
- Ablation zone
- The area of dead tissue left behind. It is meant to be larger than the tumour, so it can look bigger than the tumour did.
- Margin
- The rim of normal liver destroyed around the tumour. A good margin lowers the chance of cancer cells surviving at the edge.
- Complete ablation
- The follow-up scan shows no living tumour inside the treated area.
- Residual or recurrent disease
- Some tumour is still active, or has grown back, at the edge of the treated area. A second ablation is often possible.
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Being straight with you
Who is ablation usually not suitable for?
Ablation usually does not suit people with large tumours, many tumours, or cancer that has already spread outside the liver. It is also often set aside when the liver is failing, when clotting cannot be corrected, or when the tumour has grown into a main blood vessel.
What the alternatives are
Depending on the situation, your team may discuss removing part of the liver, a liver transplant, treatment given through the artery that feeds the tumour, focused radiotherapy, or medicines. Some people have more than one of these, one after another. The choice is made at a tumour board, where several specialists look at your scans together.
What the risks are
Most people recover quickly. Complications include bleeding, infection in the treated area, injury to a bile duct or nearby bowel, and fluid around the lung. Ask your team how often they see each of these.
What this page cannot tell you
It cannot tell you how long anyone will live, whether the cancer will come back, or whether you should choose ablation over another treatment. Those answers depend on your scans, your liver and your wider health.
Commonly believed
What do families often believe about liver ablation?
"No cut means it is not a real treatment."
For small, suitable liver tumours, ablation is a standard treatment in national guidelines. The lack of a wound reflects how the heat is delivered, not how serious the treatment is.
"Once it is burnt away, the liver is clear for good."
Ablation treats the tumours that can be seen. When the liver is scarred, new tumours can appear in other parts of it later. That is why the follow-up scans matter even when the first one is clear.
"The needle will spread the cancer around the body."
This is a rare event, and doctors take steps to lower it, such as heating the track as the needle comes out. Delaying treatment out of this fear gives a small tumour time to grow past the size ablation can reach.
"If he is too weak for an operation, nothing can be done."
Ablation exists partly for people in exactly that position. Ask what else is possible before deciding.
Side by side
How does ablation compare with removing part of the liver?
Ablation
Liver resection (removing part of the liver)
A needle through the skin, no open wound
An open or keyhole operation
Usually one night in hospital
Usually several days in hospital
Keeps almost all of the working liver
Removes a section of liver, which then has to regrow
No whole tumour left to examine under the microscope
The pathologist examines the whole tumour and its edges
Suited to small tumours in a fragile liver
Suited to larger tumours in a liver with good reserve
Questions we are asked
Common questions about ablation for liver tumours
Will my father feel anything during the procedure?
He will be under a general anaesthetic or deeply sedated, so he should not feel the needle or the heat while it is happening. Afterwards there is usually soreness under the right ribs, sometimes felt in the right shoulder. The ward team gives painkillers for this and checks on it through the night.
How soon can I go home and get back to work?
Many people go home the next day. Tiredness and a flu-like feeling for a few days are common, and desk work is often possible within about a week. Heavy lifting and long travel usually wait a little longer. Ask your team what suits your job and your recovery.
I have a fever two days later. Is that normal?
A mild temperature, aches and tiredness in the first few days are common and are called post-ablation syndrome. A high fever with shivering, worsening pain, yellowing of the eyes or vomiting is different. Call the team that treated you the same day, or go to an emergency department.
Can ablation be done again if the tumour comes back?
Often yes. If the check scan shows some tumour left at the edge, or a new small tumour appears elsewhere in the liver, a repeat ablation is commonly considered. Whether it is suitable depends on the size and position of the new spot and how the liver is working.
Is a biopsy needed before liver ablation?
Not always. In a scarred liver, a contrast CT or MRI can often show liver cancer clearly enough without a biopsy. When the pictures are not typical, or the tumour might have come from elsewhere, a biopsy may be taken first or during the same session.
Does ablation damage the rest of the liver?
It destroys the tumour and a thin rim of healthy tissue around it, and leaves the rest alone. That is why it is often chosen when the liver has little reserve. Liver blood tests are checked afterwards, and a short rise in some values is common before they settle.
Will he still need hepatitis treatment afterwards?
Usually yes. Ablation treats the tumour, not the hepatitis B or C that damaged the liver. Keeping the virus under control, and stopping alcohol completely, protects the liver that is left. Keep seeing the liver specialist or gastroenterologist who manages this.
Is liver ablation covered by Aarogyasri or insurance?
It is often covered when it is part of an approved cancer treatment plan. Aarogyasri, CGHS, ECHS and EHS are accepted, and most cashless insurers are empanelled. What you pay depends on your cover. Call the helpline with your card details and we will check before you travel.
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Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
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Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
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Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
Medical Oncologist
Medical Oncologist
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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
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Sources
- NHS — Liver cancer: treatment
- Cancer Research UK — Liver cancer
- National Cancer Institute — Liver and bile duct cancer
- American Cancer Society — Liver cancer
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
Radiofrequency ablation (RFA) explainedHow the heat needle worksMicrowave ablation explainedThe faster-heating alternative to RFASurgery or ablation: how the choice is madeWhat the team weighs between cutting and heatScans after ablation: reading the reportWhat the check scan is looking forAblation: RFA, microwave, cryo and IREEvery page in this guide
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