Gallium (68Ga) Edotreotide PET/CT for Imaging Patients With Gastrointestinal Pancreatic Neuroendocrine Tumors

Inclusion Criteria: 1. Able and willing to provide a written informed consent; 2. 18\~75 years old,male or female； 3. ECOG performance status 0 or 1; 4. Confirmed or suspicion of GEP-NET. Exclusion Criteria: 1. Unable to lie flat for the entire imaging duration (e.g. persistent cough, claustrophobia, severe arthritis, etc.), unable to enter the PET/CT device; 2. Individuals planning to be pregnant, and lactating women; 3. Individuals with concurrent active infections or with unexplained fever \>38.5°C for more than 1 hour during the screening period or prior to administration of investigational medication.