Research on the Value of Genomics Research Based on Ultrasound Endoscopic Biopsy in the Differential Diagnosis and Prognostic Evaluation of Pancreatic Occupancy

Inclusion Criteria: 1. Age 18-85, no gender limit 2. Imaging examinations suggest that the clear pancreas has clear space-occupying lesions 3. Admitted to our department, ready to undergo endoscopic ultrasound biopsy to confirm the diagnosis Exclusion Criteria: 1. There are contraindications for endoscopic ultrasound biopsy 2. Failed to join the group or refused follow-up due to various reasons