Clinical Application of Al18F-NOTA-FAPI-04 PET/CT or PET/MRI Imaging in Malignant Tumor,Cardiovascular or Immune Disease

Inclusion Criteria: * a. Age 18 years old or above, gender not restricted. b. Have undergone a health check-up within the last 3 months (at least completed chest X-ray / chest CT and abdominal B-ultrasound and other examinations), and no major diseases were found. Exclusion Criteria: * As this study involves certain radiation exposure, patients who have had frequent radiation exposure due to clinical needs (those who have undergone a CT or PET/CT examination once within 3 months or 1 month respectively) are not included in the study.