Collection of Circulating Biomarkers in Pancreatic Cancer

This study is collecting blood samples from people with pancreatic cancer to identify circulating biomarkers — tiny biological signals in the bloodstream — that could eventually be used to detect or monitor pancreatic cancer more easily through a blood test. **You may be eligible if...** - You have a known or suspected diagnosis of pancreatic adenocarcinoma (a common type of pancreatic cancer) - You are a patient at the University of Pennsylvania - You are 18 years old or older - You are able to provide informed consent **You may NOT be eligible if...** - You have a significant psychiatric, social, or medical condition that would increase your risk or make it hard to participate, as determined by the study investigator Talk to your doctor to see if this trial is right for you.