EUS Shear Wave for Solid Pancreatic Lesions.

Inclusion Criteria: * Neoplasia group: high suspicion of pancreas neoplasia based on computed tomography and/or nuclear magnetic resonance. * Inflammatory group: high suspicion of acute or chronic pancreatitis based on computed tomography and/or nuclear magnetic resonance. * Control group: patients without a history of any type of solid or hematologic malignancy, hepato-pancreato-biliary disease (including fatty liver and pancreas disease), tobacco/alcohol habits, or morbid obesity with bariatric surgery criteria; who require EUS evaluation (e.g., suspicious of a subepithelial lesion in the context of chronic dyspepsia). Exclusion Criteria: * Uncontrolled coagulopathy, kidney/liver failure, or any comorbidity with important impact on cardiac risk assessment (NHYA III/IV); * Impossibility of EUS-guided biopsy (only for neoplasia or inflammatory group); * Pregnancy or nursing; * Refuse to participate in the study and/or to sign corresponding informed consent.