Medical Oncologist
CION Cancer Clinics
Which anaesthesia will you have for cancer surgery? | CION Cancer Clinics
Cancer surgery uses three main kinds of anaesthesia. General anaesthesia puts you fully to sleep. Regional anaesthesia, such as a spinal, epidural or nerve block, numbs a large area. Local anaesthesia numbs a small spot. Big operations often combine two. This page explains each kind, where it is usually used, and what your anaesthetist weighs before choosing. 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 kinds of anaesthesia are used for cancer surgery?
- How are the four kinds different from each other?
- Which kind is usually used for which operation?
- What does the anaesthetist weigh when choosing?
- What happens at the check before your anaesthetic?
- What do the words on the form mean?
- What do families often believe about anaesthesia?
- Common questions about types of anaesthesia
The short answer
What kinds of anaesthesia are used for cancer surgery?
There are three main kinds. General anaesthesia puts you fully to sleep. Regional anaesthesia, such as a spinal or an epidural, numbs a large part of the body while you stay awake or lightly sedated. Local anaesthesia numbs only a small area.
Many operations use more than one
For a large cancer operation, you may be put to sleep and also given an epidural or a nerve block. The general anaesthetic keeps you unaware during the operation. The regional part keeps pain under control for the first days afterwards. This mix is common and it does not mean something has gone wrong with the plan.
Who makes the choice
The anaesthetist is a doctor trained only in this work. They choose with your surgeon, based on the operation, how long it will take, and your own health. You will be asked what you prefer, and your wishes count. Some choices are not safe for some people, and the anaesthetist will explain why.
This page describes what is common. It cannot tell you which kind your operation needs. Only your anaesthetist can.Side by side
How are the four kinds different from each other?
Each one works in a different place in the body and suits a different kind of operation.
General anaesthesia
Medicines go into a vein, or you breathe a gas, and you fall fully asleep. A tube or mask helps you breathe while you are asleep.
Often used for
- Large operations on the tummy or chest
- Head and neck operations
Spinal or epidural
An injection in the lower back numbs you from the waist or chest down. You can stay awake, or be given medicine to make you drowsy.
Often used for
- Bladder and prostate operations
- Pain relief after big tummy surgery
Nerve block
Numbing medicine is placed next to the nerves that carry feeling from one area, such as an arm or the chest wall. It is usually guided by an ultrasound picture.
Local, with or without sedation
A small injection numbs the skin where the doctor works. Sedation is medicine that makes you relaxed and sleepy but not fully asleep.
Used for small procedures, such as removing a small skin lump or some biopsies.Not sure whether this applies to you?
Ask an oncologistTypical patterns
Which kind is usually used for which operation?
The kind of operation
What is often used
Breast surgery, including removal of the breast
General anaesthesia, sometimes with a chest wall nerve block
Large open operations on the stomach, bowel or liver
General anaesthesia, often with an epidural for pain afterwards
Bladder or prostate surgery through the urine passage
Often a spinal, sometimes general anaesthesia
Mouth, throat and neck operations
General anaesthesia, with extra care over breathing
Small skin or lymph node procedures
Local anaesthesia, sometimes with sedation
Behind the decision
What does the anaesthetist weigh when choosing?
The anaesthetist looks at three things together: the operation, your body, and your wishes. No single kind is right for everyone. Two people having the same operation can be offered different anaesthetics, and both plans can be sound.
The operation itself
Where the surgeon will work matters most. An operation on the upper tummy or chest usually needs you fully asleep, because the muscles must be relaxed and your breathing controlled. A long operation also points towards general anaesthesia.
Your heart, lungs and other health
Severe lung disease, heart problems, sleep apnoea (breathing that stops and starts during sleep) and diabetes all shape the plan. For some people, a spinal puts less strain on the lungs than being fully asleep.
Who a spinal or epidural may not suit
It may not be safe if you take blood thinners, have a low platelet count, have an infection in the lower back, or have had certain spine operations. Never stop a blood thinner on your own. Your doctors will tell you what to do and when.
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Before the day
What happens at the check before your anaesthetic?
Your health history
You will be asked about past operations, breathing problems, snoring, allergies and any reaction a relative had to anaesthesia. Give an honest answer about smoking and alcohol.
Your medicines
Bring every tablet, inhaler and herbal or Ayurvedic medicine you take, in its packet. Some need to be paused before surgery. The doctors decide which ones, and when.
Tests
Usually blood tests and a heart tracing. Some people need a chest scan, a heart ultrasound or a breathing test, depending on age and health.
The plan is agreed
The anaesthetist explains which kind they suggest, why, and the main risks. This is the time to ask questions and say what worries you.
On your consent form
What do the words on the form mean?
- GA
- Short for general anaesthesia. You are fully asleep and feel nothing.
- Intubation
- A soft breathing tube placed in your windpipe once you are asleep. It is removed before or just as you wake up.
- Regional anaesthesia
- Numbing a large part of the body, such as a spinal, an epidural or a nerve block.
- Sedation
- Medicine that makes you calm and drowsy. You may remember little, but you are not fully asleep.
- PAC or pre-anaesthetic check
- The visit before surgery where the anaesthetist reviews your health and tests.
- ASA grade
- A score the anaesthetist gives for your general health. It helps plan care. It is not a score of your cancer.
Commonly believed
What do families often believe about anaesthesia?
"A spinal injection will leave lifelong back pain."
The spot where the needle went in can feel sore or bruised for a few days. Long-term back pain is usually caused by other things, such as posture during a long illness, not by the injection.
"Being put to sleep damages the memory for good."
Older people can be confused for some days after an operation. For most, this settles. Tell the team about any memory problems before surgery, so they can plan for it.
"Staying awake means I will see and feel everything."
A screen blocks your view, and you feel no pain in the numbed area. You may feel pushing or pulling. If you prefer, you can be given sedation so you are drowsy through it.
"We should pick the kind ourselves."
Your preference matters and should be heard. But some kinds are not safe for some bodies or some operations. The final choice is made with the anaesthetist, who can explain the reasons.
Questions we are asked
Common questions about types of anaesthesia
Which type of anaesthesia is safest?
No single type is safest for everyone. The safer choice depends on the operation and on your heart, lungs and other health. For one person a spinal puts less strain on the body. For another, being fully asleep is the safer route. Ask your anaesthetist why they suggest the kind they do.
Can I ask to be fully asleep instead of having a spinal?
Yes, you can ask, and your wish will be taken seriously. Sometimes both options are reasonable and the choice is yours. Sometimes one carries more risk for you, and the anaesthetist will explain that. Many people worried about being awake are happy once they know sedation can make them drowsy.
Will I meet the anaesthetist before the operation?
You should. Most people have a check some days before surgery, and meet the anaesthetist again on the day. If you have not met anyone to discuss your anaesthetic, ask for this. It is a normal request and not a sign of mistrust.
Does an older parent need a different kind of anaesthesia?
Not always a different kind, but more careful planning. Older people are more likely to be confused afterwards and may have heart or lung problems. Bring a full list of their medicines and tell the team about any memory problems. A family member staying close after surgery helps.
Can the plan change on the day?
Yes. If a spinal cannot be placed, or the operation turns out larger than expected, the anaesthetist may move to general anaesthesia. This is planned for in advance. Your consent form usually covers it, so ask about it when you sign.
Should I stop my medicines before surgery?
Only if your doctors tell you to. Some medicines, such as blood thinners and some diabetes tablets, may need to be paused. Others, such as many blood pressure tablets, are often continued. Bring every medicine to your check and follow the written instructions you are given.
Is a nerve block the same as a spinal?
No. A spinal numbs the whole lower half of the body. A nerve block numbs only the area served by particular nerves, such as one arm or one side of the chest. Nerve blocks are often added to general anaesthesia to ease pain in the hours after surgery.
Is anaesthesia covered by Aarogyasri or insurance?
When the operation is covered, the anaesthesia is usually part of the same package. Aarogyasri, CGHS, ECHS, EHS and cashless insurance each have their own rules. Call the helpline with your card details and the team will check your cover before admission.
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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)
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Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
Medical Oncologist
Medical Oncologist
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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
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Radiation Oncologist
Radiation Oncologist
Hematologist
Surgical Oncologist
Dr. Vajja Sandeep Kumar
MBBS, MS (General Surgery), DrNB (Surgical Oncology), FALS Oncology
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Sources
- NHS — General anaesthesia
- NHS — Local anaesthesia
- NHS — Epidural
- American Cancer Society — Cancer surgery
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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