[18F]FES PET/CT for the Detection of Distant Metastasis in Low-grade ER-positive Stage III Breast Cancer

Inclusion criteria

• ✓. Male or female patients aged ≥19 years, regardless of race/ethnicity
• ✓. Patients newly diagnosed with invasive breast cancer within 90 days prior to screening, with documented histopathological confirmation.
• ✓. Patients diagnosed with histologically confirmed estrogen receptor-positive, histologic grade 1 or 2 primary breast cancer
• ✓. Patients with clinical stage IIIA-IIIC disease according to the 8th edition of the American Joint Committee on Cancer (AJCC) TNM staging system
• ✓. Patients who have undergone, or are scheduled to undergo chest computed tomography (CT), abdominal CT, and bone scintigraphy within 90 days prior to screening before the 18F-FES PET/CT scan
• ✓. Patients with an Eastern Cooperative Oncology Group (ECOG) performance status (PS) score of ≤2