The assessment of estrogen receptor status and its intratumoral heterogeneity in patients with breast cancer by using 18F-fluoroestradiol PET/CT

AimThe aim of this study was to investigate the clinical value of 18F-fluoroestradiol (18F-FES) PET/CT in the assessment of the estrogen receptor (ER) and its intratumoral heterogeneity in breast cancer patients.MethodsForty-six female patients (50 lesions) with histologically confirmed invasive bre