CION Cancer Clinics
Cancer in the liver does not always mean liver cancer | CION Cancer Clinics
Cancer found in the liver has either started there or spread there from another organ, and doctors see the second kind more often. Bowel or breast cancer that reaches the liver is still bowel or breast cancer, treated with its own medicines. This page explains how the two differ, how doctors work out which one you have, and why that answer changes the whole plan. At CION Cancer Clinics in Hyderabad, our oncologists explain liver cancer in plain words and plan care around you and your family.
On this page
- If the scan shows cancer in the liver, is it liver cancer?
- How is primary liver cancer different from secondary?
- Which cancers most often spread to the liver?
- How do doctors find out where the cancer started?
- What do families often get wrong about cancer in the liver?
- What this page cannot tell you
- Common questions about cancer found in the liver
The short answer
If the scan shows cancer in the liver, is it liver cancer?
Not always, and often not. Cancer found in the liver has either started there, which is primary liver cancer, or travelled there from another organ, which is secondary liver cancer. Doctors see the second kind more often than the first.
Why the name causes so much confusion
A scan report may say "liver lesions", "liver metastases", "secondary deposits" or "SOL in the liver", meaning a space-occupying lesion. Families read the word liver and start searching for liver cancer. But bowel cancer that has spread to the liver is still bowel cancer. Under a microscope, it looks like bowel cells, not liver cells, and it is treated with medicines chosen for bowel cancer.
Why it matters so much
The two are different diseases. They have different causes, are found by different tests, are treated with different medicines, and are planned by different teams. Reading about the wrong one can give you false fear or false hope. If you are not sure which one your family is facing, the first job is to ask the doctor directly: "Did this start in the liver, or somewhere else?"
A scan alone does not always answer this. Sometimes a biopsy or more tests are needed first.Side by side
How is primary liver cancer different from secondary?
Not sure whether this applies to you?
Ask an oncologistWhere it comes from
Which cancers most often spread to the liver?
Blood from the bowel passes through the liver first, so cancers of the digestive organs reach it easily. Others travel there through the general bloodstream.
Bowel cancer
The cancer most often found in the liver. Some people with a few deposits can have them removed with curative intent. This is covered in detail on colon cancer spread to the liver.
Breast and lung cancer
Both can spread to the liver, sometimes years after the first treatment. Treatment is guided by the original tumour's type and its markers.
Stomach, pancreas and food pipe
These sit close to the liver and drain into it, so spread there is common. The plan is made around the original cancer.
Rarer sources
- Neuroendocrine tumours, which often grow slowly
- Melanoma, including melanoma of the eye
- Cancer of unknown primary, when no starting point is found
How doctors decide
How do doctors find out where the cancer started?
Your history
A past cancer, hepatitis B or C, heavy drinking or known cirrhosis all point in different directions. Bring every old report, even from years ago.
The pattern on the scan
Several spots of similar size in an otherwise healthy liver suggest spread from elsewhere. A single tumour in a scarred liver suggests HCC. Pattern is a clue, not proof.
Blood tests
AFP is often raised in HCC. Other markers, such as CEA for bowel cancer, can point to a source elsewhere. No marker settles the question alone.
A biopsy
A thin needle takes a small sample. The pathologist can usually tell which organ the cells came from. CION arranges this through partner hospitals and diagnostic partners. See how doctors tell primary from secondary.
Looking for the source
If spread is likely, scans of the chest and abdomen, a PET-CT or an endoscopy may look for the original cancer.
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Commonly believed
What do families often get wrong about cancer in the liver?
For secondary cancer, the oncologist who knows the original cancer usually leads. A liver surgeon or interventional radiologist may join only if the liver deposits can be treated directly.
That depends on the original cancer. Some, such as bowel cancer with a few deposits, may still be treated with curative intent. Many others can be controlled with medicines for a long time.
Medicines used for HCC are chosen for HCC. Secondary cancer responds to the medicines that suit its original type, which are often completely different.
Secondary liver cancer has nothing to do with drinking, and primary liver cancer has many causes besides alcohol. Nobody's habits should be blamed for a scan result.
Being straight with you
What this page cannot tell you
It cannot tell you whether the spots on your scan are cancer, or which kind they are. Many liver spots turn out to be harmless, such as cysts or haemangiomas, which are tangles of blood vessels. Only the doctor who has seen your scans, reports and history can say what yours are, and sometimes they need more tests before they can.
Who this page does not cover
It is not about gallbladder cancer, which is a separate disease with its own page at gallbladder cancer. It is not about liver tumours in children, which need a paediatric oncology team. If a scan was done for another reason and found one small spot, read what happens after a scan says liver lesions.
Do not skip the next step
If you were told to have a further scan or a biopsy, keep that appointment even if you feel well. Not knowing which kind of cancer it is means the right treatment cannot start.
Questions we are asked
Common questions about cancer found in the liver
Is secondary liver cancer more serious than primary?
Neither is simply worse. Secondary liver cancer means the original cancer has spread, which is an advanced stage of that cancer. Primary liver cancer can be found early or late. How serious either is depends on the type, the extent and your health, which your oncologist can explain.
Can I have both primary and secondary liver cancer?
It is unusual but possible, for example in someone with cirrhosis who also has another cancer. This is one reason doctors sometimes insist on a biopsy even when a scan looks typical. The pathologist can tell the two apart.
What if no starting point can be found?
This is called cancer of unknown primary. The biopsy and special stains usually narrow the likely source, and treatment is chosen to suit the most likely type. Read cancer of unknown primary in the liver for more.
Does liver metastases mean the cancer is stage four?
For most cancers, yes, spread to a distant organ like the liver is classed as stage four. Stage four does not mean the same thing for every cancer. Some stage four cancers can still be treated with curative intent, and many can be controlled for a long time.
Why do they want a biopsy if the scan already shows cancer?
A scan shows that something is there. A biopsy shows what the cells are and where they came from. For secondary cancer, that decides which medicines will work, and testing the sample may also open up targeted treatment options.
Is cholangiocarcinoma primary or secondary?
Cholangiocarcinoma, cancer of the bile ducts inside the liver, is a primary liver cancer. It starts in the liver itself. It behaves differently from HCC and is often tested for DNA changes, because some of these tumours have targeted options.
Will the liver stop working?
Usually not at first. The liver has a large reserve and keeps working even with several deposits. Your team will watch blood tests such as bilirubin and albumin. Tell them quickly about yellow eyes, a swelling abdomen or new confusion.
Where do I start if the report says metastases?
Take every report to an oncologist, ideally one who treats the original cancer. Read what a report of liver metastases means. Call the CION helpline if you are unsure where to begin, and we will help you find the right clinic.
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.
Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
Dr. Muralidhar Muddusetty
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
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Sources
- Cancer Research UK — Secondary liver cancer
- Macmillan Cancer Support — Secondary cancer
- American Cancer Society — What Is Liver Cancer?
- American Cancer Society — Diagnosing 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.
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