Anatomical-Clinical Base of Adenocarcinoma Pancreatic

This study is collecting detailed clinical and anatomical data on patients who are being evaluated for or diagnosed with pancreatic adenocarcinoma (the most common type of pancreatic cancer), to better understand the disease and improve how it is diagnosed and treated. **You may be eligible if:** - You have a mass in your pancreas being investigated by endoscopic ultrasound (with cell sampling) OR - You have a pancreatic mass being evaluated by abdominal CT scan (with or without a biopsy) OR - You have already been diagnosed with pancreatic adenocarcinoma confirmed by tissue or cell analysis **You may NOT be eligible if:** - Your pancreatic tumor turns out to be a different type than adenocarcinoma (e.g., neuroendocrine tumor) - You are pregnant or breastfeeding Talk to your doctor to see if this trial is right for you.