Statement: Participant in cohort 1 of the primary trial undergo a Mammography, whereas patients in cohort 1 of the secondary trial receive 6 mg Estradiol, and no Mammography.
Primary_evidence: INTERVENTION 1:    Mammography Only   For this reporting arm, the interpretation and analysis was done with mammography only. INTERVENTION 2:    Mammography With Adjunct MBI   For this reporting arm, the interpretation and analysis was done with both mammography and MBI together.
Secondary_evidence: INTERVENTION 1:    Arm 1 (6 mg Estradiol)   6 mg of estradiol daily (2 mg tid). INTERVENTION 2:    Arm 2 (30 mg Estradiol)   30 mg of estradiol. (10 mg tid)