Choi JP, Son BH, Ahn SH, Kim HJ, Lee JW, Lim W, Soe JY, Ko BS, Lee YM, Kwon SB, Gong GY
PURPOSE: This study aimed at evaluating the pattern of changes in estrogen receptor (ER), progesterone receptor (PR) and the HER2 expression in primary and recurrent breast cancer. METHODS: In the...