68Ga DOTATATE PET/CT in Neuroendocrine Tumors (Expanded Access)

Inclusion Criteria: * Older than 18 years the time of radiotracer administration * Provides written informed consent * Known diagnosis of NET or suspected SSTR positive tumors Women of childbearing age must have a negative pregnancy test at screening/baseline * Able to remain still for duration of each imaging procedure (about 30 minutes) Exclusion Criteria: * Less than 18 years-old at the time of radiotracer administration * Pregnant or nursing * Inability to complete the needed investigational and standard-of-care imaging examinations due to other reasons (severe claustrophobia, radiation phobia, etc.) * Any additional medical condition, serious concurrent illness, or other extenuating circumstance that, in the opinion of the Investigator, may significantly interfere with study compliance.