AI Summary Overview
Quick Glance: Common Pancreatic Cancer Symptoms
Symptoms of pancreatic cancer vary from person to person, but common signs include:
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Upper abdominal pain spreading to the back
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Loss of appetite or weight loss
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Jaundice (Yellowing of the skin or whites of the eyes)
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Light or pale stools, sometimes greasy or difficult to flush
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Dark-coloured urine
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Tiredness or low energy levels
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New-onset or suddenly worsening diabetes without a clear explanation
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Nausea, vomiting, or changes in bowel habits such as constipation or diarrhoea
Pancreatic Cancer Symptoms That Should Not Be Ignored
Pancreatic cancer often develops without early warning signs. Seek prompt medical care if you notice the following symptoms early on:
| Symptom | What It May Indicate |
| Jaundice (yellow skin or eyes) | May indicate that the tumour is blocking the bile duct. |
| Pain that worsens after eating or lying down | May indicate that the tumour is pressing on nearby nerves or organs. |
| New-onset diabetes, especially with unexplained weight loss | May indicate that pancreatic cancer is affecting pancreatic function and blood sugar regulation. |
| Persistent diarrhoea lasting several days | May indicate reduced production of digestive enzymes, causing poor absorption of nutrients. |
| Rapid, unintentional weight loss | May indicate that the advancing tumour is affecting digestion and nutrient absorption. |
| Persistent itching without a rash | May indicate bile build-up due to bile duct blockage, which can cause itching. |
| Recurrent, unexplained blood clots | May indicate the increased risk of blood clots associated with pancreatic cancer. |
| Ongoing upper abdominal or back pain | May indicate tumour growth or invasion into surrounding tissue. |
Why Do Pancreatic Cancer Symptoms Occur?
Pancreatic cancer symptoms occur when a tumour disrupts the normal functioning of the pancreas or nearby organs by obstructing the bile duct, damaging normal tissue, or compressing surrounding nerves. The pancreas produces digestive enzymes to break down food and insulin to regulate blood sugar.
These disruptions can cause symptoms such as jaundice, abdominal or back pain, poor digestion, greasy stool, unexplained weight loss, and new-onset diabetes. If the tumour presses on or blocks the stomach or small intestine, it may cause nausea, vomiting or loss of appetite.
Pancreatic Cancer Symptoms That Require Immediate Medical Attention
Seek urgent medical attention if you notice the following pancreatic cancer symptoms:
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Sudden, severe upper abdominal pain that is persistent or worsening.
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Sudden-onset jaundice with fever or chills suggests a possible bile duct infection.
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Repeated vomiting with inability to keep fluids down may indicate gastric outlet or intestinal obstruction.
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New confusion, extreme weakness, or collapse, particularly in someone with known pancreatic cancer.
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Sudden swelling, pain or redness of one leg or arm, which could be a sign of deep vein thrombosis or a blood clot.
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Breathlessness or chest pain.
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Severe weight loss with an inability to eat or drink for several days requires urgent medical assessment.
Symptoms of Pancreatic Cancer Based on Type
Pancreatic cancer is typically categorised based on the type of cells in which the cancer begins. Below are the types of pancreatic cancer, along with their symptoms:
| Type | Common Symptoms |
| Exocrine pancreatic cancer (Pancreatic ductal adenocarcinoma) | Jaundice, upper abdominal pain spreading to the back, unexplained weight loss, appetite loss, pale and greasy stools, dark urine, tiredness and new-onset diabetes |
| Pancreatic neuroendocrine tumour (Functioning) | Repeated low blood sugar (insulinoma), severe recurrent stomach ulcers (gastrinoma), persistent watery diarrhoea (VIPoma), with or without abdominal pain |
| Pancreatic neuroendocrine tumour (Non-functioning) | Abdominal pain, nausea, feeling full quickly, weight loss, jaundice if the bile duct becomes blocked |
Can You Have Pancreatic Cancer Without Symptoms?
Early-stage pancreatic cancer usually causes no symptoms because small tumours do not yet affect the pancreas or surrounding organs. The disease is often detected once it has grown larger or spread beyond the pancreas.
Some individuals discover the disease incidentally on an imaging test performed for another medical condition. Others do not notice any symptoms until the tumour blocks the bile duct and affects their digestion.
When Can Pancreatic Cancer Symptoms Become Life-Threatening?
When pancreatic cancer causes acute complications such as severe infection, organ failure or major clotting events, serious life-threatening complications can occur. These include:
| Life-threatening complication | Why it is an emergency |
| Acute cholangitis (infected blocked bile duct) | A bile duct that is blocked may get infected, resulting in fever, chills and worsening jaundice and severe abdominal pain. If untreated, the infection can spread to the bloodstream. |
| Bowel or gastric outlet obstruction | The tumour can block the stomach or small intestine, causing repeated vomiting, severe abdominal swelling, and inability to eat or drink. |
| Venous thromboembolism (deep vein thrombosis or pulmonary embolism) | Pancreatic cancer increases the risk of blood clots. A clot in the lungs causes breathlessness, chest pain and coughing up blood and requires urgent treatment. |
| Severe internal bleeding | Bleeding in the stomach or intestines can cause vomiting blood, black tarry stools and dizziness. |
| Sepsis | A serious infection, typically caused by bile duct obstruction, can result in confusion, low blood pressure and multi-organ failure if not treated promptly. |
| Advanced liver failure | If the cancer has widely spread to the liver, it may cause worsening jaundice, confusion, abdominal swelling and impaired blood clotting. |
How are Pancreatic Cancer Symptoms Diagnosed?
Symptoms of pancreatic cancer, like jaundice, abdominal pain, and unexplained weight loss, have many underlying causes. To diagnose pancreatic cancer and determine its stage, doctors rely on the following diagnostic tests:
| Diagnostic test | Purpose |
| Medical history and physical examination | Checks symptoms, risk factors and looks for signs of jaundice, abdominal pain or a swollen liver. |
| Blood tests | Evaluates liver function, bilirubin levels and overall health; helps to detect bile duct blockage. |
| CA 19-9 blood test | Assesses a tumour marker that may be elevated in pancreatic cancer, but cannot diagnose pancreatic cancer on its own. |
| Contrast-enhanced CT scan | The primary imaging test to identify pancreatic tumours and check whether cancer has spread. |
| MRI scan with MRCP | Provides detailed images of the pancreas and pancreatic and bile ducts. |
| Endoscopic ultrasound (EUS) | A small ultrasound probe is inserted through the stomach to view the pancreas closely and take tissue samples. |
| Biopsy | Confirms the diagnosis by examining pancreatic tissue under a microscope. |
| ERCP (Endoscopic Retrograde Cholangiopancreatography) | ERCP is mainly used for biliary obstruction, stenting and obtaining tissue samples. |
FAQs
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Q1. What is the first symptom of pancreatic cancer?
Ans: The first symptoms of pancreatic cancer are jaundice, unexplained weight loss, upper abdominal pain, or indigestion. -
Q2. Can pancreatic cancer develop without symptoms?
Ans: Yes, pancreatic cancer can develop without symptoms, especially in people with small early-stage tumours or non-functioning neuroendocrine tumours. -
Q3. Which pancreatic cancer symptoms should never be ignored?
Ans: Jaundice, new-onset diabetes with weight loss, persistent diarrhoea, and unexplained blood clots should never be ignored and should be assessed promptly during pancreatic cancer diagnosis.
