JOURNAL OF BUON, cilt.21, sa.6, ss.1425-1432, 2016 (SCI-Expanded)
Purpose: The receptor status of breast cancer plays a critical role in clinical practice. During the metastatic process, a change in the biological characteristics of the tumor can be seen. This study aimed to investigate the hormone receptor and HER2 status changes between primary and recurrent breast cancers and their effect on survival.