Inclusion Criteria:  Age ≥ 18 year Non-pregnant Patients Patients with the presence of a solid abdominal mass as seen on diagnostic imaging [ie. ultrasound (US), computer tomography (CT) or magnetic resonance imaging (MRI)] scheduled to undergo EUS examination OR Patients who underwent a prior EUS-FNA/FNB for solid pancreatic mass and did not receive a conclusive diagnosis Patients with platelet count > 50,000 Patients with International Normalized Ratio (INR) < 1.5  Exclusion Criteria:  Age < 18 years Pregnant Patients Patients who cannot consent for themselves Patients with anticoagulants or anti-platelet agents (excluding aspirin) within the last 7-10 days Patients with cystic abdominal masses Patients with a platelet count < 50,000 Patients with an INR > 1.5 Patients with a heparin or porcine allergy Patients with prior heparin induced thrombocytopenia (HIT) Patient's with religious aversion to porcine-containing products