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Understanding your biopsy

Who Reads Your Biopsy — The Pathologist Explained

Your biopsy sample goes to a laboratory, not directly to your oncologist. The person who reads it — the pathologist — is a specialist doctor you will almost certainly never meet. But what they write shapes every conversation your oncologist has with you after.

Medically reviewed by Dr. Muralidhar Muddusetty, Surgical Oncologist, MBBS (AIIMS) · MS Surgery (AIIMS) · DNB Surg Onc · MRCS (Edinburgh) · Last reviewed September 2026

  • A doctor you will not meet — Pathologists work in a laboratory, not in clinic. They are a core part of your team but their work happens before your appointment.
  • Their report is the diagnosis — Your oncologist's explanation of what was found is based entirely on what the pathologist's written report says.
  • The report takes time — Several days to two weeks is normal. The time is the work — not a delay, and not a sign that something has gone wrong.
  • Experience matters — For complex or rare cancers, samples can be reviewed by a second pathologist or sent to a specialist centre before the report is finalised.
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Your biopsy sample is read by a pathologist — a specialist doctor who examines tissue under a microscope. They are part of your medical team but you will not meet them in clinic. Their written report is what your oncologist reads to understand what is in the sample.

Who is the pathologist and what do they do?

A pathologist is a medical doctor who has completed additional specialist training in reading and interpreting tissue samples under a microscope. Most have trained for a decade or more before they are accredited to report on cancer biopsies.

When your biopsy sample is taken — whether by needle, endoscope or surgery — it travels to a laboratory. The pathologist examines it using a microscope and a series of laboratory tests. They describe in precise terms what the cells look like, what type they are, and other characteristics relevant to your treatment.

The result of their work is a written document called a pathology report. Your oncologist reads this before speaking to you. The information your oncologist shares with you is based on what that report contains, interpreted in the context of your full clinical picture.

How is the pathologist different from your oncologist?

PathologistOncologist / treating doctor
Where they workIn a laboratory, examining tissue samplesIn clinic or hospital, seeing patients directly
Will they meet you?Usually not — their work happens before your clinic visitYes — they explain your results and plan your treatment with you
What they examineYour tissue sample under a microscopeThe pathology report alongside your scans, blood tests and symptoms
What they produceA written report describing what the tissue containsA treatment plan based on all your findings together
How results reach youTheir report goes to your treating doctorYour doctor discusses the findings with you in clinic

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What do the words on your pathology report mean?

Histopathology
The examination of disease in body tissue under a microscope. This word appears at the top of most biopsy reports and describes the type of analysis that was done.
Malignant / benign
Malignant means cancer cells are present in the sample. Benign means the cells are not cancerous. Your oncologist will explain what this finding means for your specific situation.
Grade
A description of how different the cancer cells look from normal cells. Grade is one of several characteristics in the report — your oncologist will explain what it means for your situation, not as a standalone number.
Immunohistochemistry (IHC)
A set of laboratory staining tests run on the tissue sample. The results identify specific proteins on the cells and help determine which treatments your oncologist will consider.
Ki-67
A marker that indicates how actively the cancer cells are dividing. Your oncologist will explain what the result means for your specific cancer type and how it shapes the treatment approach.
External review / second opinion
A review of the same tissue sample by a different pathologist, at the same laboratory or elsewhere. This is a routine and accepted part of careful pathology practice for complex or unusual cases.

Did you know?

Every cancer treatment decision — surgery, chemotherapy, radiation, targeted therapy, immunotherapy — is guided by the pathology report. The report does not make a treatment decision; it gives your oncologist the information they need to make one with you.

For rare or complex cancers, a sample may be reviewed by a second pathologist before the report is finalised. This is standard practice in careful pathology, not a sign that something has gone wrong.

Source: WHO Classification of Tumours; Royal College of Pathologists

What families ask most about the pathologist

Why does the biopsy report take several days or even weeks?

Once the sample is removed, it goes through a process called tissue processing — it is chemically fixed, embedded in wax, sliced extremely thin, stained with dyes, and examined under a microscope. Some tests, such as immunohistochemistry or molecular testing, require additional steps and additional time. The time is not delay — it is the work itself. A result issued too quickly would be more likely to be incomplete. If your report is taking longer than your team said it would, ask them directly for an update and an expected date.

Can we ask for the report to be reviewed by a different pathologist?

Yes, and in some cases your oncologist will suggest it themselves, particularly for rare cancers or results that are difficult to interpret. Second opinions on pathology are a legitimate and accepted part of cancer care. A tissue sample can be sent to another laboratory for review — within India or, in some situations, abroad. Ask your treating doctor how to request this and what the process involves at your centre. It is a reasonable question and a responsible oncologist will not be offended by it.

What happens if the pathology report says the result is inconclusive?

An inconclusive result means the tissue examined did not give enough information for a firm diagnosis. This does not mean the answer is necessarily a serious one — it means more information is needed. Your team may recommend a repeat biopsy from a different site, a larger sample, or additional laboratory tests on the existing sample. An inconclusive report is a reason to ask your oncologist what the next step is and what timeframe to expect. It is not a reason to assume the worst.

Does the pathologist also look at your scans and blood tests?

No — the pathologist's role is to examine the tissue sample itself. Scans, blood tests, and clinical history are assessed by your oncologist. The two sets of information are brought together by your treating doctor, who reads the pathology report alongside your imaging and your clinical picture to reach a full assessment. This is one reason your oncologist may need time between receiving the report and meeting you — they are combining several pieces of information before they can give you a clear answer.

Does it matter which pathologist reads my sample?

Pathologists, like other doctors, develop sub-specialisations. A pathologist who regularly reports on a particular cancer type will have seen patterns and variations that a general pathologist encounters less often. At high-volume cancer centres, samples are typically reported by a pathologist with experience in that cancer type. For rarer cancers or ambiguous results, your oncologist may ask for the sample to be reviewed by a specialist. If you have an unusual finding or a rare cancer, it is reasonable to ask your doctor whether specialist pathology review is part of the plan.

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Common questions

Frequently asked questions

Will I ever speak to the pathologist directly?

In almost all cases, no. Pathologists work in a laboratory and their findings are communicated to your oncologist through the written report. Your oncologist is the person who reads that report with you and explains what it means for your treatment. If you want to understand something specific in the report, the right person to ask is your treating doctor — they can explain the pathologist's findings in the context of your full clinical picture. Some larger centres hold multidisciplinary meetings where the pathologist presents the case alongside the oncologist, but you would not attend those.

Can we get a copy of the pathology report?

Yes, and you should ask for one. You are entitled to a copy of your pathology report — ask your oncologist's office for it directly. The report is a medical document written for doctors, so many of the terms will be unfamiliar. Bring a printed or digital copy to your next appointment and ask your oncologist to walk through the key findings with you. It also helps to have the report available if you seek a second opinion from another oncologist.

How long should a biopsy report take to come back?

A routine biopsy report typically takes several days to about two weeks from when the sample reaches the laboratory. Reports that require immunohistochemistry or molecular testing take longer. If you were given an expected date and it has passed, contact your oncologist's team to ask for an update. Delays are most often logistical — a laboratory backlog or a sample that needed additional processing — rather than a sign that something serious was found. Your team should keep you informed without you having to ask repeatedly.

What does it mean if the report mentions a review by another pathologist?

It means the case was reviewed by more than one pathologist before the report was issued. This happens routinely for complex, rare, or ambiguous cases and is a sign of careful practice, not a sign that something has gone wrong. It does not mean the first finding was incorrect — it means the laboratory wanted certainty before committing to a report that guides your treatment. Your oncologist should be able to tell you why the additional review was done if you ask.

Do pathologists specialise in specific cancers?

Many do. Pathology is a broad specialty, and within it there are sub-specialisations by organ system — some pathologists focus on blood cancers, others on lung or gastrointestinal disease. At high-volume cancer centres, samples are typically reviewed by a pathologist with experience in that cancer type. If you have a rare cancer or an unusual finding, ask your oncologist whether the sample will be — or has been — reviewed by a pathologist who specialises in your particular cancer type.

Can my biopsy sample be sent to a different hospital?

Yes. Biopsy tissue is stored in a preserved form and can be transferred to another laboratory or hospital for review or additional testing. This is done routinely when a second opinion is sought or when specialist testing is only available at a particular centre. Your treating doctor can arrange this — ask them what the process involves, how long it takes, and whether there are any practical constraints on the sample being used for further testing. It is a routine request and your team should be able to answer it directly.

Full index

Browse all 701 biopsy topics

Every page in this section, grouped by the part of the journey it belongs to. Pick a group to see what is in it.

What Is a Biopsy?

What Is a Biopsy? Everything You Need to Know →

Types of Biopsy Compared

Which Biopsy Will You Have? Techniques Compared →

Preparing for a Biopsy

What to Expect on the Day of Your Biopsy →

Recovery and Aftercare

After a Biopsy: Recovery, Aftercare and Warning Signs →

Biopsy by Body Part

Biopsy by Body Part: What to Expect at Each Site →

Understanding Your Report

How to Read a Biopsy Report: Terms Explained →

IHC and Molecular Markers

IHC and Molecular Markers on a Biopsy: What They Mean →

Grading and Scoring Systems

Cytology & Prostate Scoring Systems Explained →

How Accurate Is a Biopsy?

How Accurate Is a Biopsy? Errors and Second Opinions →

If Your Result Is Benign

Your Biopsy Is Benign: What It Means and What Comes Next →

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