From: Comparison of diagnostic sensitivity of [18F]fluoroestradiol and [18F]fluorodeoxyglucose positron emission tomography/computed tomography for breast cancer recurrence in patients with a history of estrogen receptor-positive primary breast cancer
[18F]FES PET/CT
[18F]FDG PET/CT
Total
Positive
Equivocal
Negative
All recurrent breast cancer
25
5
2
32
11 (4*)
1
13
36
6
3
45
ER-positive recurrent breast cancer
24
31
7
9
40