BEZMIALEM SCIENCE, cilt.3, sa.2, ss.29-32, 2015 (ESCI, TRDizin)
Objective: Breast carcinomas positive for the estrogen receptor (ER+) but negative for the progesterone receptor (PR-) have unfavorable prognostic features and are resistant to tamoxifen therapy. The goal of this study was to highlight the significance of PR-breast carcinomas.