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Worried about jaundice, weight loss or belly pain?
Have your symptoms and imaging reviewed by Dr. Murtaza Shakir, a board-certified general surgeon and surgical oncologist, in Katy or Sugar Land. Call (713) 955-9191, or send your details and our team will call you back.
THE SHORT ANSWER
Symptoms that can indicate pancreatic cancer include yellowing of the skin or eyes (jaundice), dark urine, pale or greasy stools, unexplained weight loss, upper belly pain that spreads to the back, and new diabetes. None of these proves cancer, and early pancreatic cancer often causes no symptoms, but persistent or combined symptoms need prompt medical evaluation.
What Is Pancreatic Cancer, and Why Are Its Symptoms Hard to Notice?
Pancreatic cancer begins when abnormal cells in the pancreas grow uncontrollably. The pancreas is a gland deep in the upper abdomen, behind the stomach. It makes digestive enzymes that help break down food, and hormones such as insulin that control blood sugar.
Because the pancreas sits so deep in the body, a tumor cannot be seen or felt on a routine exam and can grow without causing noticeable symptoms. As a result, pancreatic cancer is often diagnosed later than many other cancers.
Why are symptoms easy to miss?
Early symptoms are often subtle and easily mistaken for more common problems. Fatigue, mild abdominal discomfort or appetite changes may be blamed on stress, diet, digestive trouble or normal aging. Symptoms may develop slowly, overlap with other gastrointestinal conditions or feel too mild to worry about. That is why surgeons pay attention to patterns: persistent pain, ongoing digestive problems or weight loss without a clear reason.
What Are the Most Common Symptoms of Pancreatic Cancer?
The most frequently reported symptoms are unexplained weight loss, abdominal or back pain, and changes in appetite and digestion. Not everyone has all of them.
Unexplained weight loss
Unintended weight loss is one of the most common signs and can happen even when appetite seems unchanged. It may come from cancer cells using the body’s energy, poor digestion because the pancreas is not releasing enough enzymes, or loss of appetite. Weight loss alone does not confirm cancer, but losing weight without a clear reason warrants evaluation.
Abdominal or back pain
Pain is often dull or aching, constant or on and off, and felt in the upper abdomen, sometimes spreading to the back. It can occur when a tumor presses on nearby nerves or organs, and it may be worse after eating or when lying down.
Appetite changes and digestive problems
- Loss of appetite or feeling full quickly
- Bloating, gas or indigestion
- Discomfort after eating
These symptoms are common in many digestive conditions, but when they are persistent and unexplained they deserve medical attention. See pain in the upper stomach for other common causes.
How Can Jaundice and Stool Changes Point to Pancreatic Cancer?
Jaundice, a yellowing of the skin and the whites of the eyes, happens when bilirubin (a by-product of bile) builds up because a tumor blocks the bile duct. It is often one of the first and most noticeable symptoms when a tumor sits in the head of the pancreas, near the bile duct. Signs that often come with it include:
- Yellow skin and yellowing of the whites of the eyes
- Dark urine, which can be the first thing people notice
- Pale, light or clay-colored stools
- Itchy skin
When the pancreas does not release enough enzymes to digest fat, stools can also change:
- Greasy, foul-smelling stools (steatorrhea)
- Stools that float
New jaundice always needs prompt medical evaluation. It is often caused by other problems, such as gallstones blocking the bile duct, but the cause has to be found quickly.
What Less Common Symptoms Can Pancreatic Cancer Cause?
Less common symptoms should still be discussed with a healthcare provider, especially when they appear together with the signs above.
- New-onset diabetes: because the pancreas makes insulin, a tumor can disrupt blood sugar control. Watch for frequent urination, excessive thirst, unexplained weight loss and fatigue. The National Cancer Institute notes that new diabetes may be an early sign, particularly in someone without the usual diabetes risk factors such as family history or obesity. New diabetes in someone over 50 with other pancreatic cancer risk factors may also prompt further testing of the pancreas. Most people with diabetes never develop pancreatic cancer.
- Fatigue and weakness: unusual tiredness may result from the cancer diverting the body’s energy, poor nutrient absorption or ongoing inflammation. Persistent weakness without a clear reason should be evaluated.
- Nausea and vomiting: a growing tumor may press on or partly block the stomach or intestine, causing nausea and vomiting, especially after meals. Persistent nausea without a clear cause should prompt a visit.
- Blood clots: pancreatic cancer can raise the risk of clots in the veins (thrombosis). Sometimes a clot is the first clue.
Have Symptoms or a Pancreas Finding?
Dr. Murtaza Shakir, board certified in Complex General Surgical Oncology, evaluates pancreatic concerns for patients from across the Houston area. Request a consultation in Katy or Sugar Land.
When Are These Symptoms an Emergency?
Some symptoms need same-day or emergency care rather than a scheduled appointment. Call 911 or go to the emergency room for:
- Signs of a blood clot in the lung: sudden shortness of breath or chest pain (possible pulmonary embolism)
- Signs of a blood clot in the leg: pain, warmth and swelling in one leg (possible deep vein thrombosis)
- Jaundice with fever and chills
- Severe, constant abdominal pain
- Vomiting that will not stop, or being unable to keep down fluids
If you notice signs of a blood clot, seek immediate medical care. Most clots have causes other than cancer, but they are dangerous on their own.
When Should I See a Doctor About These Symptoms?
See a doctor if symptoms persist, keep coming back or appear in combination. Many of them overlap with less serious conditions, but medical evaluation is important if you have:
- Persistent abdominal or back pain
- Digestive problems lasting more than a few weeks
- Jaundice (yellowing of the eyes or skin)
- Unexplained weight loss
- New or worsening diabetes symptoms
- Any combination of the symptoms listed above
Tell your doctor when symptoms began, what makes them better or worse and whether they interfere with daily life. Early consultation helps rule out serious problems or find them sooner.
How Do Doctors Evaluate Symptoms That Could Be Pancreatic Cancer?
Because the pancreas lies deep in the abdomen, imaging is the key step. A doctor will usually start with an abdominal ultrasound or a CT scan to look for the cause of symptoms.
- Imaging: CT scan or MRI to look at the pancreas, bile ducts, blood vessels and liver.
- Endoscopic ultrasound (EUS): an ultrasound probe passed on a thin scope through the mouth gives close-up images of the pancreas and can guide a biopsy.
- Blood tests: including liver tests and, in some cases, a tumor marker called CA 19-9. A blood test alone cannot diagnose pancreatic cancer.
- Biopsy: a tissue sample confirms the diagnosis.
When a surgeon reviews these results, the main question is whether the tumor is confined to the pancreas and separate from major blood vessels, because that largely decides whether it can be removed. Learn more about how a surgical oncologist fits into this process.
Why Does Early Detection Matter?
Pancreatic cancer is generally more treatable when it is found before it spreads to other organs. Recognizing warning signs earlier can widen treatment options, help maintain quality of life and potentially improve outcomes.
According to the National Cancer Institute, surgery offers the best chance of long-term survival when the tumor can be completely removed, but many cases are found too late for surgery. Depending on where the tumor is, operations include the Whipple procedure for tumors in the head of the pancreas and distal pancreatectomy for tumors in the body or tail. Chemotherapy, radiation and targeted therapy are also used.
People at higher risk, including those with a family history of pancreatic cancer, certain genetic conditions or chronic pancreatitis, may be advised to have earlier evaluation or regular screening. Smoking and long-standing diabetes are also risk factors. Read more about pancreatic cancer causes and risk factors and our pancreatic cancer page.
How Can Patients in Katy, Sugar Land and Houston Get Symptoms Evaluated?
If you or someone you love has symptoms discussed here, or a scan has shown a pancreatic mass, you can request an evaluation with Surgical Associates of Southern Texas at the Katy or Sugar Land office.
- Bring any CT, MRI or ultrasound reports and discs, plus recent blood work
- Write down when symptoms started and how they have changed
- Note any family history of pancreatic cancer, history of pancreatitis, diabetes or smoking
Dr. Murtaza Shakir is a board-certified general surgeon and is board certified in Complex General Surgical Oncology. Learn more about surgical oncology and general surgery at the practice, or call (713) 955-9191.
Questions to Ask Your Doctor About Possible Pancreatic Cancer Symptoms
- What could be causing my symptoms besides pancreatic cancer?
- Which imaging test do I need first: ultrasound, CT, MRI or endoscopic ultrasound?
- Is my jaundice caused by a blockage, and how will it be relieved?
- Does my new diabetes need further testing of the pancreas?
- If a mass is found, how will you decide whether it can be removed?
- Given my family history, should I be screened regularly?
Frequently Asked Questions
Can pancreatic cancer cause back pain?
Yes. Pain in the upper abdomen that spreads to the back is a common symptom, often because a tumor presses on nearby nerves. Back pain has many other causes, so it matters most when it is persistent or comes with weight loss, jaundice or digestive changes.
Does new diabetes mean I have pancreatic cancer?
No. Most people with new diabetes do not have pancreatic cancer. New diabetes may deserve a closer look at the pancreas when it appears without the usual risk factors or comes with weight loss or other symptoms.
Can a blood test detect pancreatic cancer?
Not on its own. Tests such as CA 19-9 and liver tests can add information, but imaging and a biopsy are needed to diagnose pancreatic cancer.
Is jaundice from pancreatic cancer painful?
It can be painless, which is one reason it should never be ignored. Yellow eyes or skin, dark urine or pale stools need prompt evaluation, even without pain.
Who is at higher risk for pancreatic cancer?
Risk is higher in people who smoke and in people with long-standing diabetes, chronic pancreatitis, a family history of pancreatic cancer or certain inherited conditions. See pancreatic cancer causes and risk factors.
Key Takeaway
Pancreatic cancer often causes no early symptoms, and when signs appear they can be vague. Jaundice, dark urine, pale or greasy stools, unexplained weight loss, upper belly or back pain and new diabetes deserve prompt evaluation, and signs of a blood clot need emergency care.
Sources and Further Reading
- Signs and Symptoms of Pancreatic Cancer, American Cancer Society
- Pancreatic Cancer Signs and Symptoms, National Cancer Institute
- Pancreatic Cancer, MedlinePlus (U.S. National Library of Medicine)
- Pancreatic Cancer Treatment, National Cancer Institute
This article is general education, not personal medical advice. For severe abdominal pain, fever with abdominal pain, heavy bleeding, or yellowing of the skin or eyes, seek emergency care.
Meet the Surgeon
Dr. Murtaza Shakir is a board-certified General Surgeon and is board certified in Complex General Surgical Oncology. He earned his medical degree at Aga Khan University, completed General Surgery residency at Riverside Methodist Hospital in Columbus, Ohio, and a two-year Surgical Oncology fellowship at the University of Pittsburgh Medical Center. He sees patients at Surgical Associates of Southern Texas in Katy and Sugar Land.
Related Reading and Care
Schedule a Pancreatic Cancer Evaluation
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This page provides general information and is not a substitute for medical advice. For severe abdominal pain or other emergencies, call 911 or go to the nearest emergency room. Last updated October 16, 2026.