4.1. Study Design and Patients
PATHOLOGY
We performed a monocentric, 2-way, open (observer-blinded), phase 4 randomzsed controlled trial (investigator-sponsored study) at the Clinical Research Unit of the Department of Obstetrics and Gynecology at the Karolinska University Hospital/Institutet, and in the Unilabs Mammography Department, Capio St Göran’s Hospital, in Stockholm, Sweden.Postmenopausal, apparently healthy women, non-smokers, aged 44 to 66 years without known breast pathology, with normal mammograms and a body mass index (BMI) of 18–30 kg/m