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Reading Your Report

The 'Comment' and 'Note' Sections — on Your Biopsy Report

The Comment or Note section of a biopsy report is the part most people skip because it looks like a footnote. It is often the most important paragraph on the page — the sentence that qualifies the diagnosis, flags what still needs doing, or explains what the pathologist was uncertain about.

Medically reviewed by Dr. Bharati Devi Gorantla, Medical Oncologist, MBBS · MD · DM (Adyar, Chennai) · ECMO · MRCP SCE (UK) · Last reviewed September 2026

  • Not a footnote — Comments are where the pathologist writes anything the standard diagnosis fields cannot capture.
  • Added for a reason — A pathologist adds a comment when something needs context, a caveat, or a recommendation for further action.
  • Often the deciding sentence — Oncologists frequently read the comment before anything else, because it changes how the rest of the report is interpreted.
  • Ask about every word — You have every right to have the comment section explained to you, line by line, at your appointment.
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The 'Comment' or 'Note' section is where the pathologist writes anything the standard form cannot capture — an unusual finding, a caveat, a recommendation for further testing, or a note that two diagnoses are possible. It is not an afterthought. It is often the sentence that most affects what happens next.

What do these section names mean?

Comment
The pathologist's free-text explanation. It appears when the standard diagnosis fields are not sufficient on their own — for example, when the findings are unusual, when the clinical information provided does not match what the tissue shows, or when the pathologist wants to tell the treating doctor something beyond the core diagnosis.
Note
Used interchangeably with 'Comment' in most Indian laboratories. Some reports use it specifically to flag a limitation — for instance, that the sample was very small, that only part of the tissue was suitable for staining, or that a particular test could not be completed on this specimen.
Addendum
A formal addition made after the original report was issued. It appears when extra stain results arrive, when a case was sent for a specialist second opinion and the result returned, or when the pathologist needs to correct or expand on the original findings. An addendum carries the same clinical weight as the main report.
Differential diagnosis in the comment
When the pathologist cannot be certain between two or more diagnoses, they may list both in the comment and explain what would help distinguish them — usually a specific stain, a clinical detail, or an imaging finding. This is not indecision; it is honest reporting of what the tissue can and cannot tell on its own.
Clinical correlation advised
This phrase means the pathology result alone is not sufficient to reach a final conclusion. The pathologist is asking the treating doctor to read the result alongside the patient's symptoms, scan findings, blood results, and history. It is a prompt to the treating doctor — not a warning to the patient that something is wrong.

What should you do when your report has a Comment or Note?

  • Read the Comment section first — before the diagnosis line.
  • Write down every term you do not understand.
  • Bring the full printed report to your appointment, not just a photograph of one page.
  • Ask your doctor to read the comment out loud and explain each sentence.
  • If a further test or stain is mentioned, ask whether it has been ordered.
  • If an addendum is expected, ask when it will arrive and how you will be told.

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Questions families ask most about the Comment section

Does a Comment mean something is wrong?

Not necessarily. Pathologists add comments in many situations — some are routine clarifications, others flag something genuinely uncertain, and some simply record a limitation of the sample. A comment does not automatically mean the findings are more serious. What matters is what the comment says and how your oncologist reads it. A comment recommending a further stain and one listing two possible diagnoses require very different conversations.

Why is the report written to the doctor instead of to me?

Histopathology reports are written as a communication between specialists. The pathologist uses technical language that has precise clinical meaning, and the treating doctor interprets it in the context of your scans, blood results, symptoms, and history. This is not a gatekeeping decision — it is why having an oncologist interpret the report for you is genuinely important and not optional. Ask to have every section explained in plain language at your appointment.

The Comment mentions expert review or a second opinion. Should I be worried?

A comment recommending expert review is a mark of careful practice, not a sign of something going wrong. Complex or rare tumours sometimes need a specialist pathologist with experience in that exact tissue type. This is most common with sarcomas, rare lymphomas, certain brain tumours, and cases where the diagnosis will significantly change the treatment plan. Ask your oncologist whether this has been arranged and where the case will be sent.

What does 'scanty material' or 'limited sample' mean in the Comment?

It means the amount of tissue available for examination was smaller than ideal. The pathologist is recording this as a limitation — the findings are based on what was present, but a larger sample might have provided more information. Your oncologist will decide whether what was found is sufficient for a treatment decision, or whether a repeat biopsy is needed. Ask that question directly at your next appointment.

There is an 'Addendum pending' note. What do I do while I wait?

An addendum usually means a stain result, a molecular test, or a specialist review is still outstanding. Ask your treating doctor what the addendum will contain and whether any decisions are being held until it arrives. In some cases the original findings are sufficient to begin treatment and the addendum adds further detail. In others, the addendum is the piece that determines the treatment type. Your doctor can tell you which situation applies to you.

Did you know?

The Comment section is the only part of a histopathology report that cannot be generated from a template or a standard checklist. It is written individually by the pathologist reviewing your specific case.

If it contains a recommendation — for a further stain, a second opinion, or a clinical check — that recommendation was placed there deliberately and deserves a direct answer from your treating doctor.

Source: College of American Pathologists — Cancer Reporting Guidelines

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Common questions

Frequently asked questions

Why does my report have a Comment but my doctor did not mention it?

Doctors reviewing a report in clinic sometimes focus on the core diagnosis first, then return to the comment. If it was not mentioned, that does not mean it was not read — but it is entirely reasonable to ask. Say: 'There is a Comment section on the report. Can you go through it with me?' If a further test or action is mentioned in the comment, ask whether it has been ordered or planned.

Is a 'Note' different from a 'Comment' on a biopsy report?

In most Indian laboratories, Note and Comment are used interchangeably and carry the same clinical weight. Some labs use Note for brief caveats and Comment for longer explanations, but that is a house style choice rather than a formal clinical distinction. Whether the section is called Note, Comment, Remark, or Addendum, treat it with the same attention and ask your doctor to explain it.

A stain or marker result appears only in the Comment, not in the main report. Why?

Some stain or marker results arrive after the main report has been issued. The pathologist adds them in the comment or as a separate addendum rather than reissuing the whole report. This is standard practice and does not mean the result is less important. In some cases the result in the comment is what confirms the diagnosis. Ask your oncologist to explain each result and what it tells them about your case.

Can I contact the pathologist directly to ask what the Comment means?

Pathologists in India typically communicate with patients through the referring or treating doctor rather than directly, though this varies by hospital. Your oncologist is the right person to interpret the comment in the context of your full clinical picture. If you remain unclear after your appointment, ask your oncologist whether a brief clarifying discussion with the pathologist can be arranged — this is occasionally done for complex cases and is appropriate to request.

My report has no Comment section. Does that mean everything is straightforward?

Not necessarily either way. Many clear-cut biopsy results do not require a comment because the standard fields capture everything the pathologist needs to communicate. The absence of a comment does not mean anything is being withheld, and the presence of one does not automatically mean the situation is serious. What matters is the content of the report as a whole, which your oncologist will interpret for you.

What should I say at my appointment if I do not understand the Comment?

Ask your doctor to read the comment out loud, then explain each sentence in plain language. Write the explanation down — these conversations are hard to remember afterwards. If a term is still unclear, say so rather than nodding. If the comment mentions further tests, ask whether they have been ordered and when you will have the results. You are entitled to understand every part of your own report.

Full index

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