Medical Oncologist
CION Cancer Clinics
SBRT when liver surgery and ablation are both ruled out | CION Cancer Clinics
When a liver tumour cannot be removed and an ablation needle cannot reach it safely, SBRT focused radiation can often still treat it. It suits people with a small number of tumours in the liver and a liver that is still working reasonably well. This page explains how the team decides, what happens if SBRT is offered, and when it is not the right choice. At CION Cancer Clinics, a multidisciplinary tumour board weighs your liver function and your scans before recommending any treatment.
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Medically reviewed by Dr. Muralidhar MuddusettyConsultant Surgical Oncologist · MBBS (AIIMS), MS (Surgery, AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh) · last reviewed October 2026, next review due October 2027
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On this page
- Is there still a treatment if surgery and ablation are both ruled out?
- How does the team decide whether SBRT is safe for me?
- What happens if SBRT is offered?
- Words you may hear when SBRT is discussed
- When is SBRT not the right choice either?
- What this page cannot tell you
- Common questions about SBRT as the remaining option
The short answer
Is there still a treatment if surgery and ablation are both ruled out?
Often, yes. When a liver tumour cannot be removed and cannot be reached safely with an ablation needle, SBRT (stereotactic body radiation therapy) can still treat it with focused radiation from outside the body. It suits people whose cancer is limited to a small number of tumours in the liver and whose liver is still working reasonably well.
Who this page is for
This page is for people with hepatocellular carcinoma (HCC), the cancer that starts in the liver, who have been told an operation is too risky and a needle cannot get to the tumour safely. It is also for families who heard "nothing more can be done locally" and want to know whether that is the whole story. If the spots in the liver came from cancer elsewhere, such as the bowel, the decision is made differently and belongs with the team treating that cancer.
Why surgery and ablation get ruled out
Surgery is often impossible in cirrhosis even for a small tumour, because the liver left behind may not cope. Ablation can be ruled out when the tumour sits under the diaphragm, against the heart, beside a large vessel or close to the bowel. Our pages on why surgery is often impossible in cirrhosis and why tumour position can rule out ablation explain each one.
What the team weighs
How does the team decide whether SBRT is safe for me?
Three things are weighed together: the tumour, the liver and the person. A problem in any one can change the answer.
The tumour
SBRT works best on a small number of tumours that can be outlined clearly on a scan. The team looks at the size, how many there are and what lies close by. The bowel and stomach tolerate radiation poorly, so a tumour pressed right against them needs careful planning, and sometimes a lower dose.
The liver
Radiation spreads a low dose across some healthy liver as it passes through. A cirrhotic liver has less in reserve. The team checks liver function with blood tests and the Child-Pugh score, which grades how well the liver is coping, and works out how much healthy liver can be kept out of the way.
Things that raise the risk
- Jaundice or a rising bilirubin
- Fluid building up in the abdomen
- Episodes of confusion from the liver
- Earlier radiation to the same area
The person
You need to lie still on your back for each session and follow simple breathing instructions, because the liver moves as you breathe. Severe back pain, an inability to lie flat or a lot of breathlessness can make that hard. These are discussed openly before planning starts.
The other options
SBRT is weighed against TACE, Y-90 radioembolisation and medicines that work through the whole body. Sometimes a combination is better than any one alone.
Not sure whether this applies to you?
Ask an oncologistWhat happens
What happens if SBRT is offered?
Review at the tumour board
Your scans and blood results are discussed by medical, surgical and radiation oncologists together. At CION this is the liver tumour board. They confirm surgery and ablation are truly ruled out and that SBRT is the right next step.
Markers and a planning scan
Some people have tiny gold markers placed near the tumour with a fine needle, so the machine can track it. A planning CT, sometimes with an MRI, maps the tumour and the organs around it.
The treatment visits
Treatment is given over a small number of visits, usually a few on alternate days. Each visit is short and you are awake. Nothing is felt during the beam. The radiation oncology partner centre will tell you the exact schedule.
Follow-up scans and blood tests
Liver blood tests are checked in the weeks after treatment. The first scan is usually some weeks later, because a treated tumour shrinks slowly and early scans can be hard to read.
On your report
Words you may hear when SBRT is discussed
- SBRT or SABR
- Two names for the same thing: high-dose radiation aimed very precisely at a tumour over a few visits.
- Fiducial markers
- Tiny gold seeds placed near the tumour so the machine can see where it is as the liver moves with each breath.
- Motion management
- Ways of handling breathing movement, such as holding your breath or treating only at one point in the breathing cycle.
- Local control
- Whether the treated tumour stops growing. It says nothing about new tumours elsewhere in the liver.
- Radiation-induced liver disease
- Liver damage caused by radiation, usually appearing some weeks after treatment. The plan is designed to keep this risk low.
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Did you know
A tumour treated with SBRT can still look present on the scan long after treatment. What matters is whether it still takes up contrast in the pattern of active cancer, which is why the radiologist compares each scan with the one before.
Who this does not suit
When is SBRT not the right choice either?
SBRT does not suit everyone who has been turned down for surgery and ablation. It is usually not offered when the liver is badly decompensated, with jaundice, fluid in the abdomen that keeps coming back or repeated confusion. In that situation radiation could push the liver into failure. Our page on radiation with Child-Pugh B cirrhosis covers the grey zone in between.
When the cancer is too widespread
If there are many tumours scattered through the liver, or the cancer has spread to the lungs or bones, treating one spot with focused radiation does not change the overall picture much. Treatment through the whole body, or TACE for disease confined to the liver, is usually more useful.
When the tumour is too large or too close to the bowel
A very large tumour may expose too much healthy liver to radiation. A tumour wrapped around the bowel or stomach may not be safe to treat at a dose high enough to work. Here the team may suggest Y-90 radioembolisation, TACE or medicines instead. The aim is always the option with the best balance of benefit and harm for your liver.
Being straight with you
What this page cannot tell you
It cannot tell you whether SBRT is safe for your liver or worth doing for your tumour. That needs a radiation oncologist to plan the dose on your own scans and see how much healthy liver can be kept safe. CION arranges SBRT through accredited radiation oncology partner centres, and your team will tell you where the treatment takes place.
The evidence has limits
Much of the evidence for liver SBRT comes from smaller studies and from people who were not suitable for anything else. That makes direct comparison with surgery or ablation hard. It is a recognised option in liver cancer guidelines, but doctors still differ on exactly where it fits. Asking for a second opinion is reasonable.
Treatment does not stop the watching
Even when the treated tumour is controlled, the cirrhotic liver can grow new ones. Regular scans and blood tests continue, and the liver itself still needs care from a hepatologist.
If you were told there is nothing left to try, ask whether the case was reviewed by a team that included a radiation oncologist.Questions we are asked
Common questions about SBRT as the remaining option
Is SBRT a second-best treatment?
Not necessarily. For a tumour that cannot be removed or ablated, SBRT is a recognised local option in its own right, and it can control the treated tumour well. It is not a fallback chosen because nothing else is left. It is chosen because it reaches where the others cannot.
Can SBRT make the cancer curable?
For a small, single tumour in a liver that is still working well, SBRT is sometimes given with curative intent. That is not a promise. New tumours can still appear elsewhere in a cirrhotic liver. Your team will tell you honestly whether the aim is long-term control or easing symptoms.
Will radiation damage the rest of my liver?
Some healthy liver always receives a low dose, and a cirrhotic liver has less in reserve. The plan is built to keep enough healthy liver below safe limits, and liver blood tests are watched afterwards. Our page on whether radiation will damage the liver explains the checks in more detail.
What side effects should I expect?
Tiredness is the most common, and some people have mild nausea or discomfort under the ribs on the right. Tell the team at once about new yellowing of the eyes, swelling of the abdomen or confusion, because these can be signs the liver is struggling.
Can SBRT be combined with other treatment?
Yes, sometimes. SBRT is occasionally combined with TACE, or given alongside medicines that work through the whole body. The tumour board decides the order and whether combining adds benefit or only adds strain on the liver.
Can SBRT be used while waiting for a transplant?
It is sometimes used as a bridge to keep a tumour in check while someone waits on a transplant list. That decision belongs to the transplant centre. Listing and priority follow the rules of the transplant programme, and no treatment changes them.
Do we need to stay in Hyderabad for the whole course?
The visits are spread over a short period, so many families from the districts arrange to stay nearby for the course rather than travel back and forth. The partner centre can usually tell you the exact visit dates once planning is done, so you can arrange travel and leave.
How do I ask for SBRT to be considered?
Ask your doctor whether the case has been reviewed with a radiation oncologist. Bring every scan disc, the blood reports and any letters explaining why surgery and ablation were ruled out. Call the CION helpline and the case can be put to the tumour board.
Your Specialists
Meet CION's liver cancer specialists. Bring your scan reports and liver blood tests.
Our medical and surgical oncologists plan liver cancer care together, weighing the tumour and how well your liver works before choosing surgery, a liver-directed procedure or medicines.
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
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Sources
- American Cancer Society — Radiation Therapy for Liver Cancer
- EASL — EASL Clinical Practice Guidelines: management of hepatocellular carcinoma
- RadiologyInfo.org (RSNA/ACR) — Management of liver cancer (ACR Appropriateness Criteria, patient summary)
- National Cancer Institute — Liver Cancer 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.
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Told there is no local option left for the tumour?
Share the scans and the letters explaining why surgery and ablation were ruled out, and the tumour board can review whether SBRT or another option fits. One helpline serves every CION centre.