Stomach ache
Pain in the upper abdomen could be caused by a pancreatic tumor that pushes or invades nerves or organs near the pancreas.
Mid-back pain
Pain in the middle of the back could be caused by a pancreatic tumor pushing or invading the nerves or organs near the pancreas.
Jaundice
Yellowing of the skin and eyes (jaundice), caused by an excess of bilirubin (a component of bile) in the blood. Jaundice can also cause itchy skin, abnormally dark urine, and light or clay-colored stools.
Unexplained weight loss can be an early symptom and can occur without any pain or apparent change in digestion.
Change in stool
Many pancreatic cancer patients experience diarrhea, constipation, or both. Diarrhea consisting of soft, watery, oily or foul-smelling stools can be caused by an insufficient amount of pancreatic enzymes in the intestine.
Loss of appetite
Pancreatic cancer can decrease appetite or change the taste of food.
Indigestion. This can include poor appetite, nausea, and vomiting. It is common for pancreatic cancer to cause problems with nutrition and digestion of food. Symptoms may include: feeling full when eating, bloating, flatulence.
Diabetes
New-onset diabetes in people over the age of 50 and a sudden change in blood sugar levels in diabetics who previously had well-controlled diabetes.