Can you live without a pancreas? Life after total pancreatectomy

Yes, people can live for many years without a pancreas, but they need lifelong treatment: insulin, because removing the whole pancreas always causes diabetes, and pancreatic enzyme capsules taken with meals so they can digest food. How long someone lives after the operation depends mainly on why the pancreas was removed. In one study from a Mayo Clinic surgical centre, about 76% of patients who had their whole pancreas removed for non-cancerous conditions were alive seven years later, compared with about 31% of those operated on for cancer.

This article is educational and not medical advice. If you or someone you care for is facing pancreas surgery, talk to your care team about your own situation.

Key facts about living without a pancreas

• Two jobs: the pancreas makes digestive enzymes (its exocrine role) and hormones such as insulin and glucagon that control blood sugar (its endocrine role).
• After total removal: people develop diabetes and depend on insulin, and they need pancreatic enzyme pills to digest food.
• The Whipple procedure removes only the head of the pancreas, along with the first part of the small intestine, the gallbladder and part of the bile duct. Enough pancreas usually remains to make digestive juices and insulin.
• Surgery is possible for few pancreatic cancers: fewer than 1 in 5 appear to be confined to the pancreas when they are found.
• Experience matters: at cancer centres with experienced surgeons, fewer than 5% of patients die as a direct result of pancreatic cancer surgery, according to the American Cancer Society.

What does the pancreas do?

The pancreas has two separate jobs, which is why losing it has two separate consequences. Most of the gland is exocrine tissue: cells that make digestive enzymes and send them through a duct into the small intestine, where they help break down fats, proteins and carbohydrates.

Scattered through it are small clusters of hormone-making cells called islets, which make up the endocrine part. Beta cells in the islets make insulin, which lowers blood sugar. Alpha cells make glucagon, which raises it. Other islet cells make somatostatin and pancreatic polypeptide. Older versions of this article called these roles “endogenous” and “exogenous”; the correct terms are endocrine and exocrine.

What happens to your body when the pancreas is removed?

When the whole pancreas is removed, an operation called a total pancreatectomy, the body loses every cell that makes insulin. The result is diabetes that needs insulin treatment for life. It is not a matter of “may develop diabetes”: it always happens after total removal.

This kind of diabetes can be hard to control because glucagon is lost too, so the body has less ability to push blood sugar back up when it falls. A 2017 review of diabetes after total pancreatectomy reported that about 80% of patients have episodes of low blood sugar (hypoglycaemia) and about 40% have severe episodes. The review describes modern long-acting insulins, insulin pumps and glucagon rescue treatment as the current standard of care, along with education from diabetes and nutrition specialists before surgery.

Losing the exocrine pancreas means the body can no longer make enough digestive enzymes. Without treatment, food is poorly absorbed, which can cause malnutrition. People take pancreatic enzyme replacement capsules with food, and they need regular follow-up with their care team because metabolic problems can appear after leaving hospital.

What is the Whipple procedure?

The Whipple procedure, or pancreaticoduodenectomy, is the most common operation for cancer in the head of the pancreas, the wide end that sits next to the small intestine. The surgeon removes the head of the pancreas, the duodenum (the first part of the small intestine), the gallbladder and part of the bile duct, and often part of the stomach and nearby lymph nodes. The remaining pancreas, bile duct and intestine are then reconnected so food and digestive juices can flow again.

Because part of the pancreas stays, most people still make some insulin and digestive juices afterwards, although some need enzyme pills and diabetes can develop. The Pancreatic Cancer Action Network (PanCAN) says patients typically stay in hospital for 8 to 10 days. The most common complication is delayed gastric emptying, when the stomach takes too long to empty; the most serious is a leak from the reconnected pancreas.

The Whipple is a major operation. The American Cancer Society says patients tend to do better at hospitals that perform at least 15 to 20 Whipple procedures a year, and that deaths from surgical complications are far more likely at small hospitals or with less experienced surgeons. PanCAN recommends a surgeon who performs more than 15 pancreatic operations a year.

How do the different pancreas operations compare?

Sources: National Cancer Institute; American Cancer Society; NIDDK; Zakaria et al. (2016); Bellin et al. (2019). Exact operations vary by patient and surgeon.

How long can you live without a pancreas?

There is no single answer, because survival depends mostly on the disease that led to surgery, not on the missing pancreas itself. The clearest data come from hospital studies that follow patients over time.

A Mayo Clinic team in Jacksonville, Florida, reviewed 103 people who had total pancreatectomy between 1995 and 2014. About 41% had pancreatic ductal adenocarcinoma, the most common pancreatic cancer, and about 39% had intraductal papillary mucinous neoplasms (IPMNs), tumours that grow inside the pancreas’s ducts. Overall, 6.8% died within 90 days of surgery.

Source: Zakaria et al. (2016), World Journal of Gastrointestinal Surgery; single centre, 103 patients, operations from 1995 to 2014.

For people having the operation for chronic pancreatitis, a University of Minnesota study followed 215 people who had TPIAT between 1998 and 2008. Ten years later, 72% were alive. These percentages describe groups of patients at particular hospitals and time periods; they cannot predict what will happen to one person.

For pancreatic cancer as a whole, including people who never have surgery, the US National Cancer Institute’s SEER program reports a five-year relative survival of 13.7% for patients diagnosed from 2016 to 2022. The figure is 43.6% when the cancer is found while still confined to the pancreas, but only 15% of cases are found at that stage. You can read more about what causes cancer, and whether viruses or bacteria are involved.

What is TPIAT, and why is it done?

Total pancreatectomy with islet autotransplantation is offered to some people with severe chronic pancreatitis, a long-lasting inflammation that keeps damaging the pancreas and often causes pain. Surgeons remove the whole pancreas, collect the insulin-making islets from it and transplant them into the patient’s liver, where they can settle and keep making insulin. Because the islets are the patient’s own, no anti-rejection drugs are needed, and the US National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) notes that the procedure is not considered experimental.

The transplant reduces the diabetes problem but often does not eliminate it. In the Minnesota study, only a minority of patients (13% to 20%, depending on how the group was counted) no longer needed insulin 10 years later, while others kept partial islet function. Larger transplanted islet numbers and younger age were linked with better long-term function.

Who is the longest-living person without a pancreas?

No one can say. We found no medical registry, peer-reviewed study or official record that tracks the longest survival after pancreas removal, so any “longest-living” title cannot be verified. An earlier version of this article made that claim; it has been removed.

Long-term survivors do exist. The Seena Magowitz Foundation’s profile of Kay Kays, published in 2024, says she was diagnosed in 1994 with a rare, slow-growing pancreatic cancer and had a Whipple procedure. According to the profile, about five years after diagnosis the rest of her pancreas and her spleen were removed, and she later received further treatment, including surgery on part of one lung. By that account she has lived without a pancreas for more than two decades. Her story is exceptional, not typical, and the details come from the foundation’s profile rather than published medical records.

What the evidence can’t tell you

• Most outcome data come from single, experienced hospitals. Results at other centres may differ, and older studies may not reflect current diabetes technology.
• Survival numbers mix many diseases. A person’s outlook depends on their diagnosis, cancer stage, general health and other treatment.
• Quality of life varies. Managing insulin, enzymes and nutrition is a daily task, and the studies cited here measured survival more precisely than everyday wellbeing.

PanCAN’s Patient Services can provide lists of high-volume hospitals and surgeons, and information on recovery and nutrition. For the latest cancer research, see our article One step ahead of cancer.

Related reading

• Is cancer caused by a virus or bacteria?
• One step ahead of cancer

Update note: This article was substantially revised on October 12, 2026, to answer the real question of whether people can live without a pancreas; remove the unverifiable “longest-living person” claim and correct inconsistent survivor details (including the statement that both lungs were removed); correct endocrine and exocrine terminology; state that total pancreatectomy always causes insulin-dependent diabetes; replace a misread survival statistic with the cited Mayo Clinic study figures; and add explanations of the Whipple procedure, TPIAT and pancreatic cancer survival data. It was drafted with AI assistance and checked against the sources listed below. It has not yet been reviewed by a medical professional.

Sources

• National Cancer Institute, Pancreatic Cancer Treatment (PDQ), Patient Version
• National Cancer Institute SEER Program, Cancer Stat Facts: Pancreatic Cancer
• American Cancer Society, Surgery for Pancreatic Cancer
• Pancreatic Cancer Action Network, Whipple Procedure (Pancreaticoduodenectomy)
• Pancreatic Cancer Action Network, What Is the Pancreas?
• NIDDK, Definition & Facts for Pancreatitis
• NIDDK, Pancreatic Islet Transplantation
• OpenStax, Anatomy and Physiology 2e, 17.9 The Endocrine Pancreas
• Zakaria et al. (2016), Total pancreatectomy: Short- and long-term outcomes at a high-volume pancreas center, World Journal of Gastrointestinal Surgery 8(9):634–642
• Bellin et al. (2019), How Durable Is Total Pancreatectomy and Intraportal Islet Cell Transplantation for Treatment of Chronic Pancreatitis?, Journal of the American College of Surgeons 228(4):329–339
• Maker, Sheikh & Bhagia (2017), Perioperative management of endocrine insufficiency after total pancreatectomy for neoplasia, Langenbeck’s Archives of Surgery 402(6):873–883
• Seena Magowitz Foundation, Survivor profile: Kay Kays