In some cases, blood clots may develop before pancreatic cancer is diagnosed. Swelling, pain, redness, or warmth in a leg can indicate a clot that requires immediate medical attention. Although blood clots have many possible causes, they are sometimes linked to underlying cancers.
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It is important to remember that these symptoms can be caused by many conditions other than pancreatic cancer. Gallstones, liver disease, stomach disorders, infections, and other digestive problems may produce similar signs. However, symptoms that persist, worsen, or occur together should be discussed with a healthcare professional.