CION Cancer Clinics
My scan says 'liver lesions': what happens next? | CION Cancer Clinics
A liver lesion is an area that looks different from the rest of the liver. It is a description, not a diagnosis. Many lesions are harmless, but some are cancer, either spread from another organ or starting in the liver itself. This page explains what a lesion could be, which tests usually follow, and which signs mean you should not wait for a routine appointment. At CION Cancer Clinics in Hyderabad, our oncologists explain liver cancer in plain words and plan care around you and your family.
The short answer
What does "liver lesions" on my scan actually mean?
"Lesion" simply means an area of the liver that looks different from the rest. It is a description, not a diagnosis. Many lesions are harmless, such as a cyst or a haemangioma (a tangle of blood vessels). Some are cancer, and the scan you have had is often not detailed enough to tell which.
Why the word "lesions" can mean two very different things
When cancer is in the liver, it is more often a cancer that started somewhere else, such as the bowel, breast or pancreas, and spread there. Less often it is primary liver cancer, which begins in the liver's own cells, usually in a liver already scarred by hepatitis B, hepatitis C, alcohol or fatty liver. These are different diseases with different treatments. Working out which group you are in, if either, is the whole point of the next few tests.
What this means for you today
Do not ignore the report and do not panic over it. Book the follow-up your doctor has asked for, even if you feel well. A lesion that turns out to be harmless needs one clear answer. A lesion that turns out to be cancer is easier to treat when it is found while small.
If your report also mentions a known cancer elsewhere, tell your oncologist about the liver finding this week.What it could be
What are the common causes of a liver lesion?
Doctors think about lesions in three broad groups. Your background decides which group they look at first.
Harmless lesions
These are the commonest finding in people with a healthy liver. They are often found by chance on a health checkup or a scan done for stomach pain.
Includes
- Simple cysts, filled with fluid
- Haemangiomas
- Focal nodular hyperplasia (FNH), a harmless overgrowth
- Patches of extra or missing fat
Secondary cancer
Cancer that has spread to the liver from another organ. It is more likely when there are several lesions, or when you have had cancer before. It is treated as the original cancer, not as liver cancer.
Primary liver cancer
Hepatocellular carcinoma (HCC) or, less often, bile duct cancer inside the liver. HCC is far more likely when the liver already has cirrhosis (long-term scarring) or long-standing hepatitis B.
Infections and other causes
An abscess, a hydatid cyst caused by a tapeworm, or inflammation can all show up as lesions. A hydatid cyst must never be needled or drained without specialist planning, because spilling its contents is dangerous.
Not sure whether this applies to you?
Ask an oncologistGo to hospital today if you have a liver lesion and develop yellow eyes with a fever, vomit blood, pass black stools, become confused or unusually drowsy, or have sudden severe pain in the right side of the abdomen. See a doctor this week if you are losing weight without trying, have a known cancer, or have cirrhosis or hepatitis B. Do not wait for a routine appointment in any of these situations.
The usual path
What tests come after a scan shows liver lesions?
A review of your history
Your doctor asks about previous cancers, hepatitis, alcohol, diabetes and weight, and checks your blood tests. This decides whether the lesion is most likely harmless, secondary or primary.
A more detailed liver scan
A plain ultrasound often cannot settle the question. A triple-phase CT or a liver MRI, arranged through a diagnostic partner, shows how the lesion handles contrast dye. Many harmless lesions are named on this scan alone. See CT or MRI for a liver lesion.
Blood markers
AFP is a marker linked with HCC. CEA or CA 19-9 may be checked if a bowel or pancreas cancer is suspected. A marker on its own never makes the diagnosis.
A search for another cancer, if needed
If the lesions look like spread, the team looks for where they came from, which may mean a CT of the chest, a PET-CT or a colonoscopy.
A biopsy, or a repeat scan
A biopsy is advised when the scans cannot decide. A small lesion that looks harmless may instead be watched with a repeat scan at an interval your doctor sets.
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On your report
What do the words around "lesion" mean?
- SOL
- Space-occupying lesion. A common phrase on Indian reports meaning something is taking up space in the liver. It does not mean cancer.
- Hypodense or hypoechoic
- Darker than the surrounding liver on CT or ultrasound. Both harmless and cancerous lesions can look like this.
- Arterial enhancement and washout
- A pattern where the lesion lights up early with dye and fades quickly. In a cirrhotic liver it is a typical sign of HCC.
- Metastases
- Cancer that has spread from another organ. If your report says this, read what liver metastases means.
- LI-RADS
- A scoring system radiologists use for lesions in people at risk of HCC. Higher categories mean HCC is more likely.
- Indeterminate
- The radiologist cannot say what it is from this scan. It needs further tests, not reassurance.
A PET-CT is often less useful for primary liver cancer than people expect, because many HCCs do not light up on it. It is more helpful when the team is looking for cancer that spread from elsewhere.
Being straight with you
What can this page not tell you?
It cannot tell you whether your lesion is cancer. No page can. That answer comes from a proper liver scan read by an experienced radiologist, your history, and sometimes a biopsy. Comparing your report with photos or stories online usually adds worry and rarely adds clarity.
Who this page does not apply to
If you already have a confirmed diagnosis of HCC or of another cancer that has spread to the liver, your next questions are about treatment, and why primary and secondary cancer are treated differently is the better page. It also does not cover children, whose liver tumours follow different rules.
Who can help
Your own doctor, a hepatologist or an oncologist can read the report in context. A CION oncologist can review your scans, tell you which tests are still missing and, if cancer is confirmed, bring your case to the tumour board.
If you have been told to repeat a scan, keep that appointment even if you feel completely well.Questions we are asked
Common questions about liver lesions on a scan
Are multiple liver lesions always cancer?
No. Many people have several small cysts or haemangiomas. Several lesions do make spread from another cancer more likely, especially in someone who has had cancer before, so they always need a proper scan and a doctor's review. Read more on multiple small lesions.
Is an ultrasound enough to know what the lesion is?
Sometimes, for a simple cyst. Often it is not. Ultrasound shows that something is there, while a triple-phase CT or MRI shows how it behaves with dye, which is what separates harmless lesions from cancer in most cases. Your doctor will say which you need.
Will I definitely need a biopsy?
Not always. Many harmless lesions are named on a good scan, and HCC in a cirrhotic liver can often be diagnosed from the scan pattern alone. A biopsy is usually needed when spread from another cancer is suspected, or when the scans disagree.
My AFP is normal. Does that rule out cancer?
No. Many people with HCC have a normal AFP, and AFP does not rise with most cancers that spread to the liver. A normal result is useful information, but the scan matters more. Do not cancel a follow-up scan because of a normal blood test.
Which doctor should I see first?
If you have cirrhosis or hepatitis B, a hepatologist or gastroenterologist is a sensible start. If you have had cancer before, or the report mentions metastases, see an oncologist. If you are unsure, your family doctor can read the report and refer you on.
Can a harmless lesion turn into cancer?
Most cannot. Cysts, haemangiomas and FNH do not become cancer. A small group, such as some liver adenomas, carry a risk and are watched or removed. Your doctor will explain which type you have and whether it needs follow-up.
Should I stop alcohol or herbal liver tonics now?
It is sensible to stop alcohol while the lesion is being checked. Tell your doctor honestly about any alcohol, herbal tonics or supplements you take, without worrying about being judged. Some can harm the liver or affect test results, and your doctor needs the full picture.
Can CION look at my scan report?
Yes. A CION oncologist can review your report and images, explain what the findings could mean and what tests should come next. Call the helpline and bring the actual scan images or CD, not only the printed report.
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
- Liver UK (formerly British Liver Trust) — Benign liver tumours
- Cancer Research UK — Secondary liver cancer
- American Cancer Society — Diagnosing Liver Cancer
- American College of Radiology — ACR Liver Imaging Reporting & Data System (LI-RADS®)
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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