Medical Oncologist
CION Cancer Clinics
TORS for oropharyngeal and HPV-related throat cancer | CION Cancer Clinics
Transoral robotic surgery, or TORS, is one standard way to remove a small cancer of the tonsil or tongue base, and many of these cancers are linked to HPV. Radiotherapy is the other standard choice. Which suits you depends on the tumour's size and reach, the neck glands and whether radiotherapy would follow anyway. This page explains what the team weighs, who TORS does not suit and what to ask. 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
- Is TORS used for HPV-related throat cancer?
- What does the team weigh before suggesting TORS?
- What happens between the biopsy and the decision?
- What do the words on the reports mean?
- What do families often believe about HPV throat cancer?
- Who is TORS not suited to, and what can this page not tell you?
- Common questions about TORS for throat cancer
The short answer
Is TORS used for HPV-related throat cancer?
Yes. Transoral robotic surgery, or TORS, is one of the main ways a small cancer of the tonsil or the base of the tongue can be removed, and many of those cancers are linked to HPV. It is one option among several, and for many people radiotherapy is the other standard choice.
What HPV has to do with a throat cancer
HPV, the human papillomavirus, is a very common virus passed on by close contact. In most people the body clears it without anyone knowing. In a small number it stays in the tissue of the tonsils or tongue base for many years and slowly changes the cells there. A throat cancer linked to HPV behaves differently from one caused mainly by tobacco and alcohol, and it usually responds well to treatment. That is why the report will say whether the tumour is HPV-related.
Where TORS fits
The oropharynx is the part of the throat behind the mouth. Tumours here were once reached through a cut in the neck or jaw. TORS reaches them through the open mouth, with thin robotic arms and a camera the surgeon controls from a console. Neck glands are usually removed in the same admission, through a separate small cut.
Whether surgery or radiotherapy comes first is decided by your treating team on your scans and biopsy. This page explains what they weigh.Before it is offered
What does the team weigh before suggesting TORS?
No single fact decides it. The surgeon, the radiation oncologist and the medical oncologist look at these together.
Can it be seen and reached?
The robotic arms work through the open mouth, so the tumour has to be reachable that way. The surgeon checks this in clinic and again once you are asleep.
It becomes harder when
- The mouth opens only a little
- The neck is stiff or cannot tilt back
- Earlier radiotherapy has hardened the tissue
How big and how deep
TORS suits smaller tumours that can be removed with a clear rim of normal tissue around them. A tumour that has grown into the jawbone, the deep muscles or around the main artery of the neck is not one to take out through the mouth.
The glands in the neck
HPV-related cancers often reach a neck gland early, sometimes while the throat tumour is still small. How many glands are involved, and whether the cancer has broken through a gland's outer wall, changes what treatment is likely to follow surgery.
Whether radiotherapy follows anyway
One hope with TORS is that some people can avoid radiotherapy, or need less of it. If the scans already suggest radiotherapy with chemotherapy will be needed after surgery, many teams prefer to give that as the main treatment, so you do not face both.
Not sure whether this applies to you?
Ask an oncologistThe pathway
What happens between the biopsy and the decision?
The biopsy and HPV test
A small piece of the tumour, or a needle sample from a neck gland, is looked at under the microscope. The laboratory usually tests it for p16, a protein that stands in for HPV, and sometimes for the virus itself.
Scans
An MRI or CT of the head and neck shows the size and depth of the tumour. A PET-CT, a scan showing active areas across the body, is often added to check the neck and chest. Bring every earlier scan you have.
A look under anaesthesia
Sometimes the surgeon examines the throat properly while you are asleep, to judge whether the robot can reach the tumour and to take more tissue. This may be done on a separate day.
Tumour board
Surgeons, radiation oncologists and medical oncologists review everything together. You should be told every option that was discussed, including radiotherapy, not only the one being recommended.
On your report
What do the words on the reports mean?
- p16 positive
- The cancer cells made a protein that is a strong sign of an HPV-related cancer. It is a marker, not a stage.
- HPV-related
- The virus is thought to have caused the cancer. It does not mean you can pass cancer on to anyone.
- Oropharynx
- The middle part of the throat behind the mouth, including the tonsils, the tongue base and the soft palate.
- Margin
- The rim of normal tissue removed around the tumour. A clear margin means no cancer cells were seen at the edge.
- Extranodal extension
- Cancer has grown through the outer wall of a neck gland. It usually means more treatment after surgery.
- Neck dissection
- An operation to remove glands from the neck, done through a separate cut, often in the same admission.
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Commonly believed
What do families often believe about HPV throat cancer?
"HPV in the throat means someone has been unfaithful."
The virus is extremely common, most adults meet it at some point, and it can stay silent for decades. A cancer today says nothing about a husband's or wife's behaviour, recent or past. This belief causes real harm in families, and doctors hear it often.
"The robot does the operation on its own."
The robot does not move by itself. A surgeon sits at a console nearby and controls every movement of the arms and the camera. The robot gives a magnified view and small instruments that bend where a hand cannot reach.
"A smaller operation must mean less thorough treatment."
Going through the mouth changes the route, not the aim. The surgeon still has to remove the whole tumour with a clear margin. If that cannot be done safely through the mouth, the team should say so and explain the other choices.
Being straight with you
Who is TORS not suited to, and what can this page not tell you?
TORS is not the right route for everyone with an oropharyngeal cancer, and a careful team will say so early. It usually does not suit a large tumour, one fixed to bone or to the main neck vessels, or a throat that cannot be seen well through the mouth. It is used more cautiously after earlier radiotherapy to the same area, because healing is slower and less certain.
It is not available everywhere
The robotic system is costly and is found at a limited number of larger centres in India. Ask any centre directly whether they perform TORS for throat cancer, how often they do it, and who operates. Do not assume a hospital offers it because it uses a robot for other organs.
What this page cannot tell you
It cannot tell you whether surgery or radiotherapy is right in your case, or how your cancer will behave. That depends on the stage, the neck glands, your general health and what matters to you about swallowing and speech. Take these questions to your treating team.
If you smoke or chew tobacco, stopping now helps whichever treatment you have. Ask for help with it at your first visit.Questions we are asked
Common questions about TORS for throat cancer
Will I be able to eat normally after TORS?
Most people return to eating by mouth, but it takes time. Swallowing is sore at first, and some people need a thin feeding tube for a while. A swallowing therapist helps with exercises and softer foods. If radiotherapy follows surgery, swallowing can become harder again for a period, so ask the team what to expect in your case.
Will I still need radiotherapy after the operation?
Some people do and some do not. It depends on what the pathology report shows after surgery: the margins, how many neck glands had cancer, and whether it had broken through a gland wall. The team can often give you an idea beforehand, but the final answer comes once the removed tissue has been examined.
Does TORS leave a scar on the face or neck?
The throat part of the operation is done through the mouth, so there is no cut on the face or jaw. If the neck glands are removed, there is a separate cut along a skin crease in the neck. It usually heals into a thin line that fades over the following months.
Can my husband or wife catch cancer from me?
No. Cancer itself is not passed from person to person. Long-term partners have usually already shared the virus, and in most people the body clears it. There is no need to stop kissing or sharing a home. If you have specific worries, ask your doctor, who can talk them through privately.
How long will I be in hospital?
Usually a few days, and longer if a neck dissection is done at the same time or a feeding tube is needed. The team watches for bleeding and checks that you can breathe and swallow safely before you go home. Ask for a realistic estimate so the family can plan work and travel.
Is TORS better than radiotherapy for HPV throat cancer?
Neither is right for everyone. Both are standard treatments for early oropharyngeal cancer, and they carry different long-term effects on swallowing, saliva and taste. Research comparing them is still going on. The choice rests on your tumour, your neck glands and your own priorities, which is why a tumour board review matters.
Should our children get the HPV vaccine?
The HPV vaccine protects against the types of the virus linked to most of these cancers, and it works best when given before a young person is exposed to the virus. It is available in India. Ask your family doctor or paediatrician whether it is suitable for your children and at what age.
What should we ask the surgeon at the first appointment?
Ask whether the tumour can be reached through the mouth, what the alternatives are, and whether radiotherapy is likely after surgery anyway. Ask how often the centre performs TORS, who will operate, and what support there is for swallowing afterwards. Write the answers down, or ask a family member to.
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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)
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
- National Cancer Institute — Oropharyngeal Cancer Treatment (PDQ) - Patient Version
- National Cancer Institute — HPV and Cancer
- American Cancer Society — Surgery for Oral Cavity and Oropharyngeal Cancer
- NICE — Cancer of the upper aerodigestive tract: assessment and management (NG36)
- Macmillan Cancer Support — Head and neck cancer
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
Transoral Robotic Surgery (TORS) ExplainedHow the robot is used and what happens on the daySwallowing After Transoral SurgeryWhat eating is like in the weeks afterAvailability and Cost of TORS in IndiaWhere it is offered and what builds the billDeciding on Cancer SurgeryHow to weigh surgery against the other optionsRadiation therapy guideThe other standard treatment for these cancers
Talk to us
Been told you have an HPV-related throat cancer?
Send us the biopsy and scan reports or call the helpline. A surgical oncologist will explain the options that fit your reports and what to ask any centre. One helpline serves every CION centre.