Medical Oncologist
CION Cancer Clinics
Medical negligence or a known complication? | CION Cancer Clinics
A known complication is a recognised risk that can happen even after careful, correct surgery. Negligence is care that falls below what a reasonable surgeon would have given, and that caused harm. The outcome alone cannot tell you which one it was. What matters is whether the risk was explained, prevented sensibly, noticed in time and handled properly afterwards. 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 the difference between negligence and a known complication?
- How do the two usually look different?
- Which questions decide whether care fell short?
- How can a family find out what really happened?
- What do families often get wrong about negligence?
- What do the legal and medical terms mean?
- What should you do while you are still unsure?
- Common questions about negligence and complications
The short answer
What is the difference between negligence and a known complication?
A known complication is a problem that can happen after an operation even when the surgery is done carefully and correctly. Negligence means the care fell below what a reasonably competent surgeon would have done, and that failure caused harm.
The outcome alone does not tell you which it was
A leak where the bowel was joined, a chest infection, a blood clot or bleeding after surgery can each be a recognised risk. The same problem can also follow poor care. What separates the two is how the risk was handled: whether it was explained, whether reasonable steps were taken to prevent it, whether it was spotted in time, and whether it was treated properly once found.
How Indian courts look at it
Courts in India judge a doctor against the practice of a reasonable body of doctors in the same field, not against the most skilled surgeon in the country. An error of judgement, or choosing one accepted approach over another, is not negligence by itself. The question is whether no reasonable surgeon would have acted that way.
What this page cannot do
It cannot tell you whether your own case was negligence. That needs the full records read by an independent surgeon, and sometimes a legal opinion. It can help you ask the right questions.
This is general information, not legal advice.Side by side
How do the two usually look different?
More like a known complication
More like possible negligence
The risk was explained before you signed consent
A serious, common risk was never mentioned
Warning signs were checked and acted on promptly
Clear warning signs were recorded but nobody responded
The problem was treated once found, with senior help
Treatment was delayed without a reason in the notes
The operation chosen was an accepted option for that cancer
The wrong side, wrong site or wrong patient was operated on
What is weighed
Which questions decide whether care fell short?
An independent reviewer usually works through the same four questions. You can ask them too, in a meeting with the team.
Was the risk explained?
Consent is more than a signature. You should have been told the common and the serious risks of the operation, and the other options, in words you could follow.
Look for
- The consent form and what it lists
- Any notes of the consent discussion
Was prevention reasonable?
For many complications there are routine steps: blood thinning injections or stockings against clots, antibiotics at the right time against infection, and checks before surgery. Were the usual steps taken, or was there a recorded reason not to?
Was it noticed in time?
Nursing charts record pulse, temperature, blood pressure and urine output. A reviewer checks whether changes in these were reported and whether a doctor came to see the patient.
Was it handled properly?
Once a complication is found, the question is whether treatment followed accepted practice, including a return to theatre, a scan or a transfer to intensive care when needed.
Harm must also be caused by the failure. A lapse that made no difference to the outcome is judged differently.Not sure whether this applies to you?
Ask an oncologistFinding out
How can a family find out what really happened?
Ask for an open meeting
Request a meeting with the operating surgeon and ask them to take you through events in order. Ask directly whether they see it as a known risk, and why.
Get the full record
Operation note, anaesthesia chart, nursing charts, scans, blood results, pathology and discharge summary. Ask for all of them, not a summary.
Take an independent opinion
A surgeon in the same specialty, not connected to the hospital, can read the record and tell you whether the care looks like accepted practice.
Decide what you want next
An explanation, a hospital review, a Medical Council complaint or a compensation claim. Take legal advice before any formal claim.
Commonly believed
What do families often get wrong about negligence?
"If he was fine before surgery and worse after, someone made a mistake."
Major cancer surgery puts real strain on the body, and some people have problems even when every step is done well. A bad outcome is a reason to ask questions. It is not proof of a mistake.
"We signed the consent form, so we cannot question anything."
Consent covers the risks that were explained. It does not cover care that falls below an acceptable standard. Signing does not stop you from asking what happened or raising a concern.
"The surgeon said sorry, so they are admitting fault."
Saying sorry that something went wrong is kind and professional. It is not the same as saying the care was wrong. Read the records and ask for an explanation rather than relying on the apology.
"A second surgeon will always protect the first one."
An independent surgeon reads the record, not the name on it. Choose one not connected to the hospital, and ask them to put their view in writing.
Words you may hear
What do the legal and medical terms mean?
- Standard of care
- What a reasonably competent doctor in the same specialty would do in the same situation.
- Informed consent
- Agreement given after being told what the operation involves, its main risks and the alternatives.
- Anastomotic leak
- A leak where two ends of bowel or another tube were joined during surgery. It is a recognised risk of several cancer operations.
- Causation
- Whether the failure in care actually caused the harm, rather than the illness or a risk that would have happened anyway.
- Deficiency in service
- The term used in consumer cases for care or service that fell short of what was owed.
Being straight with you
What should you do while you are still unsure?
Put the patient's recovery first. Whatever happened, the next few weeks of care matter most, and a family in conflict with the team can miss important instructions. Keep asking questions, and write the answers down.
Keep your own notes
Write a dated diary of what you saw and were told. Who visited, which symptoms were reported, and how long it took for someone to respond. Notes made at the time carry weight later, and they help an independent surgeon understand the sequence of events.
Be careful about conclusions from the internet
Complication rates you read online come from different countries, different operations and different groups of patients. They cannot tell you whether your surgeon was careful. Only your records can.
Know that both answers are hard
Learning that a complication was a known risk can feel like being dismissed. Learning that care fell short can bring anger and guilt about having chosen that hospital. Counselling support helps with either, and asking for it is not a sign of weakness.
If the patient is unwell right now, get medical care first. Questions about fault can wait.Questions we are asked
Common questions about negligence and complications
Is every surgical mistake negligence?
No. Doctors can make a reasonable judgement that turns out, in hindsight, to have been the less helpful choice. That is not negligence if other reasonable surgeons might have made the same call. Negligence is care that no reasonable surgeon in that specialty would have given, and that caused harm.
The risk was not on the consent form. Does that make it negligence?
Not automatically. Forms cannot list every possible risk, and some are explained in conversation. What matters is whether the common and serious risks were discussed. If a serious, well known risk was never mentioned, that is a fair question to raise with the team and with an independent reviewer.
Who decides whether it was negligence?
Informally, an independent surgeon can give you an opinion. Formally, the State Medical Council decides on professional conduct, and the Consumer Commission or a civil court decides on compensation. Both rely heavily on medical records and expert opinion.
Can a known complication still involve negligence?
Yes. A complication can be a recognised risk and still be handled poorly. For example, a leak after bowel surgery is a known risk, but ignoring clear warning signs for a long time afterwards may not meet the standard of care. The response is judged as well as the event.
How do we find an independent surgeon to review the records?
Look for a surgical oncologist who works in the same area of the body and has no link to the hospital involved. Bring complete copies of every record. Ask them what they would have expected at each stage, and whether they will write down their opinion.
Does a bad pathology result after surgery mean the operation was done wrongly?
Not usually. If cancer cells are found at the edge of the removed tissue, it may reflect how the cancer grew rather than poor technique. Your team will explain whether more treatment is advised. Ask them why the margin, the rim of tissue removed, was not clear.
Can we still claim if the patient has died?
Legal heirs can usually bring a complaint or claim. This is a very hard time to be making those decisions. Request the records first, take time to grieve, and take legal advice about time limits before deciding whether to go further.
Will asking these questions upset the surgeon?
Some surgeons find it difficult, but open questions are a normal part of care and most teams will answer them. Ask calmly, in a planned meeting, with a written list. You are more likely to get a full answer than in a heated conversation at the bedside.
Meet the Specialists
17+ senior cancer specialists. One panel for your case.
Trained at AIIMS, Tata Memorial, and leading international centres. Combined 150+ years of experience. Every complex case is reviewed by 3+ of them — together.
Medical Oncologist
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)
Medical Oncologist
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
- NHS — Consent to treatment
- Cancer Research UK — Surgery for cancer
- National Cancer Institute — Surgery to treat cancer
- NHS — How to complain to the NHS
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
Raising a Complaint About Surgical CareThe routes open to you, and what each can doGetting Your Operation Notes and ImagesThe records an independent reviewer will needComplications and Red FlagsRecognised risks after cancer surgery, and warning signsThe Emotional Side of Cancer SurgerySupport when an operation did not go as hoped
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