Copper Cu 64-DOTA-B-Fab PET/CT in Imaging Patients With Ovarian and Breast Cancer

Inclusion Criteria: Ovarian Cancer Participants 1. Patient is ≥ 18 years old at the time of the drug administration 2. Participant has suspected or biopsy proven ovarian cancer and is scheduled to undergo surgical excision of the cancerous lesion(s) OR Participant has biopsy proven ovarian cancer but is not a surgical candidate 3. Ability to understand and the willingness to sign a written informed consent document. 4. Patient is able to remain still for duration of each imaging procedure Breast Cancer Participants 1. Patient is ≥ 18 years old at the time of the drug administration 2. Participant has biopsy proven breast cancer and may or may not undergo surgical excision of the cancerous lesion(s) 3. Ability to understand and the willingness to sign a written informed consent document. 4. Patient is able to remain still for duration of each imaging procedure Exclusion Criteria: Ovarian Cancer Participants 1. Patient is pregnant or breast-feeding 2. Patients with contraindications for PET/CT or who cannot complete a PET/CT scan or other study procedures. 3. Patients with serious uncontrolled concurrent medical illness that would limit compliance with study requirements 4. Patients participating in other research imaging protocols will be excluded from this study. Breast Cancer Participants 1. Patient is pregnant or breast-feeding 2. Patients with contraindications for PET/CT or who cannot complete a PET/CT scan or other study procedures. 3. Patients with serious uncontrolled concurrent medical illness that would limit compliance with study requirements 4. Patients participating in other research imaging protocols will be excluded from this study.