Clinical Translation of a Novel Albumin-Binding PET Radiotracer 68Ga-NEB

Inclusion Criteria: * Must be able to provide a written informed consent * Males and females, ≥18 years old； * Diagnostic CT or MRI suggesting a diagnosis of liver focal lesion(s). In suspicion of arteriovenous malformations. Newly diagnosed breast cancer and lymph node metastasis is not clear. The tumor will be surgically removed and histological diagnosis will be available. Evaluation of cardiac function. Exclusion Criteria: * Females planning to bear a child recently or with childbearing potential； * Known severe allergy or hypersensitivity to IV radiographic contrast； * Inability to lie still for the entire imaging time because of cough, pain, etc. * Inability to complete the needed examinations due to severe claustrophobia, radiation phobia, etc. * Concurrent severe and/or uncontrolled and/or unstable other medical disease that, in the opinion of the investigator, may significantly interfere with study compliance.