Blood and Cystic Fluid From Patients Undergoing Surgery for Worrisome Pancreatic Cysts

Inclusion Criteria: * Voluntarily agree to participate by giving written informed consent prior to any study-specific procedures. * Subject at least 18 years of age and able to provide consent. Subject is willing and able to comply with requirements of the protocol. * Radiologically documented cyst of the pancreas for which surgical removal is clinically indicated. * Patient will be undergoing a surgical resection of their pancreatic cystic neoplasm. Exclusion Criteria: * Patient who is pregnant at the time of study enrollment and sample collection. * Patient will not be undergoing clinically indicated surgery for a pancreatic cystic neoplasm. * Patient is unwilling or unable to provide informed consent or comply with study procedures.