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Metastasectomy: removing a secondary tumour | CION Cancer Clinics
Metastasectomy is an operation to remove a secondary tumour, a spot of cancer that has spread from where it first started to another organ such as the lung, liver or brain. It is offered only to some people with spread cancer, usually when there are just one or a few spots and the main cancer is under control. This page explains the operation, who it may suit, and what it cannot promise. 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 a metastasectomy, in plain words?
- Where are secondaries most often removed from?
- What happens between being told and the operation?
- Which words on the report should you understand first?
- What do families often believe about this surgery?
- Who is this operation usually not for?
- Common questions about metastasectomy
The short answer
What is a metastasectomy, in plain words?
A metastasectomy is surgery to remove a secondary tumour. That is a spot of cancer that has travelled from the place it started, called the primary, and settled in another part of the body.
Why the word matters on your report
Your report may say metastasis, which means cancer that has spread, or metastatic disease. A secondary in the lung from a bowel cancer is still bowel cancer. Under the microscope it looks like bowel cancer cells, and it is treated as bowel cancer. The operation removes that spot with a rim of normal tissue around it, so the pathologist can check the edges are clear.
How it fits with other treatment
Surgery on a secondary is almost never the only treatment. Most people also have chemotherapy, targeted drugs, immunotherapy or hormone treatment, before the operation, after it, or both. The operation is one part of a longer plan, agreed by a team that includes medical, surgical and radiation oncologists.
Why it is not offered to everyone
Spread cancer usually means cancer cells are travelling in the blood, even where no scan can see them. Removing the spots you can see only helps when there are very few of them, and when the cancer has shown it is growing slowly enough for surgery to be worthwhile.
This page explains the operation in general. It cannot tell you whether it is right for you. That depends on your own scans, reports and health.Where it is done
Where are secondaries most often removed from?
The organ matters, because each one brings a different operation, a different recovery and different limits.
Lung
Spots in the lung from bowel, kidney and soft-tissue cancers are among the most often removed. The surgeon usually takes a small wedge of lung around each spot, often through small keyhole cuts.
The team checks
- How many spots, and in one lung or both
- How well you breathe now
Liver
Secondaries in the liver, most often from bowel cancer, can sometimes be removed. The liver is able to regrow after part of it is taken away.
Enough healthy liver must be left behind for you to live well.Brain
A single secondary in the brain that is pressing on nearby areas may be removed by a neurosurgeon. Focused radiotherapy is often the other option the team weighs.
Bone, adrenal and others
Surgery on a bone secondary is often done to fix or support a weakened bone rather than to remove all the cancer. A single secondary in an adrenal gland, a small gland above the kidney, is sometimes removed too.
Not sure whether this applies to you?
Ask an oncologistThe pathway
What happens between being told and the operation?
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Scans to count every spot
Usually a CT, and often a PET-CT or MRI as well. The team needs to be sure there are no other spots hiding elsewhere, because that changes the decision.
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A biopsy, sometimes
If it is not clear that the new spot is cancer, or which cancer it came from, a small sample may be taken first. Not every spot needs one.
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Treatment first, then a pause
Many teams give chemotherapy or other drugs first and repeat the scans. If no new spots appear, the cancer is more likely to be under control, and surgery is more likely to help.
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Tumour board discussion
Specialists discuss your case together. They weigh the number of spots, the type of cancer, your fitness and other options such as focused radiotherapy.
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Fitness checks
Blood tests, heart and breathing tests, and a meeting with the anaesthetist, the doctor who keeps you asleep and safe during the operation.
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The operation and recovery
The hospital stay and recovery depend on the organ. Lung and liver operations are very different, so ask your surgeon what to expect for yours.
On your report
Which words on the report should you understand first?
- Primary
- The place the cancer first started. The cancer keeps this name wherever it later spreads.
- Secondary or metastasis
- A spot of the same cancer in a different organ. Metastatic means the cancer has spread in this way.
- Oligometastatic
- Cancer that has spread to only a few spots. This is the group in whom surgery is most often discussed.
- Resection
- Surgical removal. A complete resection means no cancer was seen at the cut edges under the microscope.
- Margin
- The rim of normal tissue removed around the spot. A clear margin means the edges were free of cancer.
- Disease-free interval
- The time between treating the first cancer and the secondary appearing. A longer gap often makes the team more willing to operate.
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Commonly believed
What do families often believe about this surgery?
"Stage 4 means surgery is pointless."
For most people with widespread cancer, surgery does not help. For a smaller group with one or a few spots, removing them is a real option the team will discuss. The stage alone does not decide it.
"Once the spot is removed, the cancer is gone for good."
Surgery removes what can be seen. Cancer cells too small for any scan may remain, which is why drug treatment and regular scans usually continue afterwards. New spots can appear, and that is not a sign the operation was done badly.
"Operating will make the cancer spread faster."
Surgery does not release cancer into the body in the way people fear. What does matter is choosing the right moment, which is why teams often watch the cancer on treatment for a while first.
"If surgery is not offered, nothing more can be done."
Focused radiotherapy, needle treatments that destroy a spot with heat or cold, and drug treatment can all control secondaries. Not being offered surgery is not the same as being offered nothing.
Being straight with you
Who is this operation usually not for?
Metastasectomy is usually not offered when the cancer has spread to many places, or keeps producing new spots while you are on treatment. It is also not offered when removing the spot would leave too little of the organ to live with, such as too little lung to breathe comfortably.
When your body needs to come first
A large operation needs a heart, lungs and kidneys that can cope with anaesthesia and recovery. If you are very weak, losing weight quickly or spending most of the day in bed, the risks of surgery can outweigh anything it may add. Your team should say this plainly.
What this page cannot tell you
It cannot tell you how long anyone will live after this surgery, or whether it will work for you. Those depend on the cancer type, how it has behaved, and how you respond to treatment. The only people who can judge that are the team who have seen all your scans and reports.
Ask your surgeon two things: what is the aim of this operation for me, and what are the other options?
Did you know
Some secondaries are treated without any cut at all. Heat or cold passed through a thin needle under scan guidance can destroy a small spot in the liver, lung or kidney. Whether that suits a spot depends on its size and where it sits, so it is a fair question to ask your team.
Questions we are asked
Common questions about metastasectomy
Is metastasectomy a major operation?
It depends on the organ. Removing a small spot from the edge of the lung through keyhole cuts is a smaller operation than removing part of the liver. Your surgeon will explain how long you are likely to stay in hospital and how long recovery usually takes for your particular operation.
Can more than one secondary be removed?
Sometimes. A few spots in one organ, or one spot in each of two organs, may be removed in one or more operations. The more spots there are, the less likely surgery is to help, because more spots usually mean more hidden cancer cells elsewhere in the body.
Will I still need chemotherapy after surgery?
Most people have some drug treatment before, after or both. The aim is to deal with cancer cells too small to see on any scan. The exact plan depends on your cancer type and on what you have already had, and your medical oncologist will explain it.
What if new spots come back after the operation?
This happens to many people and does not mean the surgery was a mistake. New spots are assessed the same way as the first ones. Some people have a second operation, others have radiotherapy or drug treatment. Regular scans after surgery are there to find them early.
Is surgery better than focused radiotherapy for one spot?
Neither suits everyone. Focused radiotherapy, sometimes called SBRT, treats a small spot over a few short sessions without a cut. Surgery gives tissue for the pathologist to check. The team weighs the size and position of the spot, your fitness and your own wishes before suggesting one.
How do we know surgery is being suggested for the right reasons?
Ask what the aim is, what the other options are, and what happens if you wait. A careful team will answer all three plainly. You are also free to seek a second opinion, and bringing every report and scan to that appointment makes it far more useful.
My father is elderly. Is he too old for this surgery?
Age alone does not rule it out. What matters more is how fit he is day to day, how his heart and lungs work, and what he wants from treatment. Many teams assess older patients carefully, including walking, memory and nutrition, so the decision rests on more than his age.
Is metastasectomy covered by Aarogyasri or insurance?
Often it can be, when it is part of an approved cancer treatment plan. Aarogyasri, CGHS, ECHS and EHS are accepted, and most cashless insurers are empanelled. Cover varies by scheme and policy, so call the helpline with your card details and we will check before you plan anything.
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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)
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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
- National Cancer Institute — Metastatic cancer: when cancer spreads
- Cancer Research UK — How cancer can spread
- National Cancer Institute — Surgery to treat cancer
- American Cancer Society — Advanced 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
Oligometastatic Disease ExplainedWhat it means when cancer has spread to only a few placesWho Is a Candidate for Metastasectomy?What the team weighs before suggesting surgerySurgery vs SBRT for a Single SecondaryHow the operation compares with focused radiotherapyLung MetastasectomyThe most common place a secondary is removed fromDeciding on Cancer SurgeryQuestions to ask before agreeing to any operation
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Been told a spot of spread could be removed?
Send us your scans and reports, or call the helpline. A surgical oncologist will explain what is being proposed and what the other options are. One helpline serves every CION centre.