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Dr. Harsh J Shah

Pancreatic Cancer Around an Artery: What Are the Options?

Last updated: 09-Nov-2026

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Dr Harsh Shah, pancreas cancer surgeon, Ahmedabad

Dr Harsh Shah
MS, MCh (Surgical Gastroenterology), DrNB (Surgical Gastroenterology)
Registered with Gujarat Medical Council, Reg. No. G-38738
Pancreas Cancer Surgeon
Dr. Jivraj Mehta Hospital, Vasna, Ahmedabad · 18 years of experience

In short

Locally advanced means the tumour is firmly attached to a main artery, or to a vein that cannot be repaired. It has not spread to distant organs, but a clean removal is not possible at the start.

The first treatment is chemotherapy, usually for several months. After that the scans are repeated, and a small group of patients become fit for an operation.

For the rest, treatment aims to hold the cancer back, ease pain, keep the bile duct open and protect strength. These steps are active care, and they start from the first visit.

This post explains the options step by step. For the full plan, see our locally advanced pancreatic cancer treatment page.

What does locally advanced pancreatic cancer mean?

It is a scan finding. The tumour has grown around a main artery beside the pancreas, so a surgeon cannot lift it off without leaving cancer behind.

The pancreas sits right against the superior mesenteric artery and the coeliac artery. These carry blood to the gut and the liver. A tumour that wraps most of the way round one of them cannot be cut free safely. A vein that is blocked solid and cannot be rebuilt gives the same result. The label does not say that cancer has spread. It says the local spread has passed the point where a first operation can work.

Where locally advanced cancer sits among pancreatic cancer stages
Stage on scanMain featureWhat usually comes first
ResectableNo contact with main vesselsOperation, or chemotherapy first in some patients
BorderlineTouches a vein, or a short stretch of artery wallChemotherapy, then re-scan
Locally advancedWraps an artery, or blocks a vein that cannot be rebuiltChemotherapy for months, then a fresh decision
MetastaticCancer seen in the liver or belly liningChemotherapy for control and comfort

Our post on how pancreatic cancer is staged and judged for surgery shows how these scans are read. A tumour that only touches a vessel is covered in our post on borderline resectable pancreatic cancer.

Why is chemotherapy the first step?

Because an operation now would leave tumour on the artery and would not stop the cancer from returning. Drugs reach every part of the body, and they may loosen the tumour from the vessel.

Pancreatic cancer spreads in tiny deposits that scans cannot see. In locally advanced disease these are likely to be present already. So the plan treats the whole body first and the local problem second.

  • The drugs work on cells in the liver and elsewhere, which a knife cannot reach.
  • Over some months they show how the cancer behaves. A tumour that keeps growing would not have been helped by a major operation.
  • In some patients the tumour shrinks away from the artery, and surgery becomes an option that was not there before.

Before any drugs, the diagnosis must be proved on a needle biopsy. If the eyes are yellow, a stent is placed first so the bile can drain. Gene tests on the biopsy can also help choose the drugs. Our post on what the pancreas biopsy report and gene tests mean explains them.

Which drugs are used, and for how long?

A fit patient is usually offered a four-drug combination called FOLFIRINOX. A two-drug combination of gemcitabine and nab-paclitaxel suits those who are older or weaker.

Drug choices for locally advanced pancreatic cancer
ChoiceWho it suitsPoints to know
FOLFIRINOXFit patients with good blood counts, liver and kidney testsStrong effect, but tiring. Diarrhoea, low counts and numb fingers are watched for
Gemcitabine with nab-paclitaxelOlder or less fit patientsGentler on the body, and often easier to continue for longer
Changed or lower-dose combinationThose who struggle with the first choiceDose and drugs are adjusted rather than the treatment stopped

A cycle is usually given every two weeks. The planned course lasts about four to six months before the first big review. Eat well, keep walking, and report fever, vomiting or loose stools early. Blood tests are done before each cycle. Your medical oncologist gives the drugs, and Dr Harsh Shah plans the surgical side with that team.

When is radiation added?

Radiation is not routine. It is added after several months of chemotherapy, when the cancer has stayed steady and the aim is to deal with the area around the artery.

Two forms are used. Standard chemoradiation gives a small dose daily for a few weeks, with a chemotherapy drug as a sensitiser. Stereotactic radiation gives a few high-dose sessions with sharp focus, so less healthy bowel is exposed.

  • It is usually considered after the cancer has been controlled on drugs for some time.
  • It may lessen pain from nerve involvement.
  • It can also make a clean edge more likely when surgery is planned later.
  • It adds side effects, such as nausea and tiredness, so the oncology team weighs it case by case.

How is the decision for surgery made?

After the first course, the team repeats a pancreas-protocol CT or MRI and a CA 19-9 blood test. Surgery is considered only if three things line up: the scan, the marker and the patient’s strength.

  1. The scan shows whether the tumour has pulled away from the artery. A tumour that looks the same may still have responded, because a scan cannot always tell scar from living cancer.
  2. CA 19-9 should be falling or low. A rising level argues against surgery, but it is read with the scan.
  3. No new spread should have appeared. A keyhole look into the belly is sometimes done to check.
  4. The patient should still be fit, eating, and able to recover from a long operation.

If these do not line up, the team does not push for surgery. Operating on a tumour that is still tied to the artery rarely gives a lasting benefit. The decision is made at a meeting of the surgeon, oncologist, radiologist and radiation specialist, and it is explained to you in plain words.

What does an operation after chemotherapy involve?

It is the usual pancreas operation for the tumour’s site, often with part of a vein cut out and rejoined. It is long, and the result depends strongly on the team doing it.

  • A tumour in the head of the pancreas needs a Whipple operation.
  • A tumour in the body or tail needs removal of the tail, usually with the spleen.
  • If the vein is involved, that part is replaced by a stitched join or a short graft.
  • Rarely, a short stretch of artery is cut out and rebuilt. Only expert teams, in carefully chosen patients, take this on, because the risk is higher.

The aim is to take out all the visible tumour with a clean edge, and then to finish chemotherapy afterwards. The specimen is studied to see how well the drugs worked. Open or laparoscopic surgery is chosen by the site and the vessels, and safety decides. Our pancreatic cancer treatment page describes the Whipple operation.

What if the tumour never becomes removable?

Then treatment continues for control and comfort. Chemotherapy goes on as long as it helps, and supportive care is built around pain, digestion, nutrition and the bile duct.

  • Pain. Medicines are adjusted early. A nerve block near the coeliac artery, done through the skin or by endoscopic ultrasound, can ease deep back pain.
  • Yellow eyes. A stent opens the bile duct through an endoscope. A metal stent stays open longer than a plastic one.
  • Vomiting after meals. A tumour may squeeze the outlet of the stomach. A stent or a bypass operation allows food to pass.
  • Digestion and weight. Enzyme capsules, protein-rich food and a dietitian help. Blood sugar is also watched, as diabetes can appear or worsen.

Treatment is reviewed at set gaps. If one drug stops working, another is tried while you are fit. Some patients who first seemed beyond surgery are later found suitable, so the question is asked again at every review. Ask for a second opinion at a high-volume pancreas centre before you accept that surgery is closed.

Frequently asked questions

What does locally advanced pancreatic cancer mean?

It means the tumour has grown around a main artery or a vein that cannot be rebuilt, but has not spread to distant organs. A clean removal is not possible at the start, so treatment begins with chemotherapy.

Can locally advanced pancreatic cancer be operated on?

Not at first. After months of chemotherapy, some patients are found fit for surgery if the scan, the CA 19-9 level and their strength all line up. For the others, treatment aims at control and comfort.

Why is chemotherapy given before any surgery?

The drugs reach hidden cancer cells that a knife cannot, and they may shrink the tumour away from the artery. They also show how the cancer behaves, which spares some patients a major operation that would not help.

Which chemotherapy is used for locally advanced pancreatic cancer?

A fit patient is usually offered FOLFIRINOX. Older or weaker patients are offered gemcitabine with nab-paclitaxel. Doses are adjusted to how well you cope.

Is radiation always needed?

No. It is added in selected patients after several months of chemotherapy, to treat the area around the artery or to ease nerve pain. The team decides case by case.

How is pain controlled in locally advanced pancreatic cancer?

Pain medicines are adjusted early. A nerve block near the coeliac artery, done through the skin or by endoscopic ultrasound, can ease deep back pain. Radiation may also help.

What if the bile duct or the stomach outlet gets blocked?

A stent placed through an endoscope opens the bile duct. A blocked stomach outlet is opened with a stent or a bypass operation. These steps let you eat and feel better while treatment continues.

Should I get a second opinion?

Yes, before you accept that surgery is closed. Whether the tumour can be removed after chemotherapy depends on the scan reading and the team's experience, so a review at a high-volume pancreas centre is reasonable.

Related pages

For the whole treatment pathway, start at the locally advanced pancreatic cancer treatment page. For questions before you travel, call +91-63555-64601.

Where Dr Harsh Shah sees patients and operates

Dr Harsh Shah — Dr. Jivraj Mehta Hospital, Vasna, Ahmedabad
Dr. Jivraj Mehta Hospital, Dr Jivraj Mehta Marg, Vasna, Ahmedabad 380007.
Consultations, review of reports and scans, operations and follow-up. OPD Monday to Saturday, 9 am to 5 pm.
Appointments: +91-63555-64601 · +91-63590-11009 · Hospital 079-2663 6363
Directions to the hospital · WhatsApp +91-63555-64601

Has a scan report said your pancreatic cancer "wraps around an artery" and cannot be operated on today? That does not close every door. Dr Harsh Shah reads your films himself, explains what the artery contact means, and sets out the steps in order. Bring your scans and any biopsy or chemotherapy papers. You can also call, or message us on WhatsApp. Call For Appointment Book on WhatsApp Tapping Book on WhatsApp will likely open the WhatsApp app on your phone.

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Dr. Harsh J Shah
Dr Harsh Shah, Gastro, Cancer & Laparoscopic Surgeon, Ahmedabad
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