Medical Oncologist
CION Cancer Clinics
SBRT for liver tumours: who is it suitable for? | CION Cancer Clinics
SBRT usually suits one or a few small liver tumours in a liver that still works reasonably well, where surgery or ablation cannot be done safely. It suits large, widespread tumours or a failing liver less well. This page explains the four checks a team makes, how suitability is decided, and who SBRT does not suit, so you know what to ask. At CION Cancer Clinics, a multidisciplinary tumour board weighs your liver function and your scans before recommending any treatment.
NG
Medically reviewed by Dr. Naresh GunduConsultant Medical Oncologist · MBBS, DNB (Internal Medicine), DM (Medical Oncology, AIIMS) · last reviewed October 2026, next review due October 2027
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The short answer
Who is SBRT suitable for in liver cancer?
SBRT usually suits someone with one or a few small liver tumours, a liver that still works reasonably well, and a tumour that surgery or ablation cannot treat safely. It is less suitable for large or widespread tumours, or a liver that is already failing.
What SBRT is, in one paragraph
SBRT stands for stereotactic body radiotherapy. It aims many thin beams of radiation from different angles so they meet on the tumour, giving it a high dose while the surrounding liver receives much less. Treatment is given over a handful of short visits, lying on a couch, with no cut and no needle into the tumour. How it is planned and delivered is covered on our page on SBRT for liver tumours.
Which cancer this page is about
This page is mainly about hepatocellular carcinoma (HCC), cancer that starts in the liver's own cells, usually in a liver with cirrhosis. SBRT is also used for a few spots that spread to the liver from another cancer, and the checks are similar, but the wider plan for those belongs to the cancer it started from.
Being suitable for SBRT does not make it the right choice. It means it is one of the options worth weighing.What the team weighs
What makes someone a good candidate for liver SBRT?
Four things are checked, and all four have to line up. A problem with any one of them can rule SBRT out.
The tumour
SBRT works best on a small number of tumours of modest size. The smaller the target, the less healthy liver sits in the path of the beams.
Usually suits
- One tumour, or very few
- Clear edges on the scan
- No spread outside the liver
The liver
Enough healthy liver must remain untouched to keep you well. Child-Pugh class A is the usual group. Some people in early class B are considered with great care. Class C is not suitable.
The position
A tumour next to a large vessel or under the diaphragm can suit SBRT well. One pressed against the stomach or bowel is harder, because those organs tolerate radiation poorly.
You
You need to lie flat and still for a while, and follow simple breathing instructions. Earlier radiation to the same area and other serious illness are also weighed.
Not sure whether this applies to you?
Ask an oncologistHow suitability is decided
What happens when you are assessed for SBRT?
Recent scans and blood tests
A recent triple-phase CT or MRI shows the tumour clearly. Blood tests show how well the liver is working. CION arranges these through its diagnostic partners if yours are out of date.
A tumour board discussion
The case goes to the liver tumour board, which asks first whether surgery or ablation would serve you better, then whether SBRT is safe.
A radiation oncologist's review
They check the tumour's distance from the stomach and bowel and estimate how much healthy liver would be spared. They will also explain the plan's aim to you.
Preparing for treatment
Tiny gold markers are sometimes placed near the tumour so it can be tracked as you breathe, and a planning scan follows. The treatment is given at an accredited partner hospital, and your team will tell you where.
On your plan
Words you may hear when SBRT is discussed
- SBRT or SABR
- Two names for the same thing: focused, high-dose radiation given over a few sessions to a small target.
- Fiducial markers
- Tiny metal seeds placed near the tumour so the machine can see where it is as the liver moves.
- Breath hold or gating
- Ways of switching the beam on only when the tumour is in the planned position during your breathing.
- Dose limits
- The maximum radiation that the healthy liver, stomach and bowel are allowed to receive. The plan must keep within them.
- Curative intent
- The aim is to destroy all visible tumour. It is an aim, not a promise, and it does not apply to every plan.
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Did you know
The liver moves up and down with every breath. That movement is one reason SBRT planning takes longer than the treatment itself, and why you may be asked to practise holding your breath before the first session.
Who this does not suit
Who is SBRT not suitable for?
SBRT is usually not offered when the liver is failing, as in Child-Pugh class C, or when fluid in the abdomen is hard to control. It is also a poor fit for a very large tumour, for many tumours spread across both sides of the liver, or for cancer that has already spread widely outside the liver. In those situations, TACE, immunotherapy or targeted tablets usually fit better.
It is often avoided when the tumour lies directly against the stomach or bowel, because a dose strong enough to control the tumour could cause an ulcer or bleeding there. Someone who cannot lie flat and still, because of pain or breathlessness, may also struggle.
Finally, if surgery or ablation is safe and likely to work for you, those usually come first. Their results have been studied for longer. SBRT is a strong option where they are not possible, and the evidence comparing it directly with them is still growing. If you are weighing the two, read SBRT versus ablation.
Being straight with you
What this page cannot tell you
It cannot tell you whether you are suitable. Size, number, position and liver function interact in ways that only show up when a radiation oncologist plans on your own scan. Two people with tumours that sound alike on paper can get different answers.
It cannot tell you how your liver will cope
Most people with good liver function tolerate SBRT well, but a cirrhotic liver can react, sometimes weeks later. Your team will explain the specific risks for your liver, and what to watch for at home. The detail is on our page on whether radiation will damage your liver.
It cannot tell you the cost
Costs depend on the hospital and the plan. Ask for a written, itemised estimate before you start.
If you have a recent scan and blood reports, call the helpline. Someone can arrange for them to be reviewed and tell you honestly whether SBRT is worth discussing.Questions we are asked
Common questions about SBRT for liver tumours
Can I have SBRT if I have cirrhosis?
Often yes, if the liver still works reasonably well. Most people treated have Child-Pugh A cirrhosis. Some with early class B are considered with extra care and a smaller treated area. Class C cirrhosis usually rules SBRT out, because the liver has too little reserve to recover from radiation.
Is there a size limit for SBRT?
There is no single cut-off that applies to everyone. Smaller tumours are easier to treat safely, because less healthy liver lies in the beam's path. For a larger tumour, the team weighs how much healthy liver would remain protected. Your radiation oncologist will judge this on your own scan.
Can SBRT treat more than one tumour?
Sometimes, if there are only a few and they are well apart. Each extra target adds radiation to the healthy liver, so the number that can be treated safely is limited. When tumours are scattered across the liver, other treatments such as TACE or medicines are usually a better fit.
Is SBRT an alternative to surgery?
For some people who are not fit for an operation, or whose tumour cannot be removed, it can be. When surgery is safe and possible, it is usually still preferred, because its results are better established. The tumour board weighs both before advising you.
Why does my tumour's position matter so much?
The stomach and bowel are easily damaged by radiation. If a tumour sits right against them, the dose that would control it could harm them. A tumour near a large blood vessel, by contrast, often suits SBRT better than ablation, which can struggle beside flowing blood.
Can SBRT be used while waiting for a transplant?
Yes. It is one way to keep a tumour in check so it stays within the limits the transplant centre accepts. Whether it is used, and when, is decided with the transplant team, who also manage the waiting list itself.
Is SBRT available in Hyderabad?
Yes, several radiation centres in Hyderabad offer liver SBRT. CION coordinates it through accredited partner hospitals and keeps your oncologist involved before and after. Families travelling from districts should ask for the full schedule, including planning visits, in writing.
What should I bring to find out if I am suitable?
Bring your latest CT or MRI on disc with the report, recent liver blood tests and a list of earlier treatments, including any TACE or radiation. Call the CION helpline and someone will tell you what else the tumour board will need.
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
- American Cancer Society — Treatment of Liver Cancer, by Stage
- Cancer Research UK — Treatment for 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
SBRT vs ablation for a small liver tumourIf both are possible, how they compareSBRT when ablation and surgery are ruled outWhen SBRT is the option left on the tableRadiation with Child-Pugh B cirrhosisThe harder decision for a weaker liverWhen radiation is used for liver cancerWhere radiation fits among all the treatments
Talk to us
Wondering whether SBRT could work for your tumour?
Share the latest scan and blood reports and we can arrange a tumour board review of whether SBRT is worth discussing. One helpline serves every CION centre.