Lower response to trastuzumab emtansine in metastatic breast cancer patients with human epidermal growth factor receptor 2 immunohistochemistry score of 2 and fluorescence in situ hybridization positive compared with immunohistochemistry score of 3: a retrospective study

Yazaki, S; Hashimoto, J; Ogita, S; Nakano, E; Suzuki, K; Yamauchi, T

Yazaki, S (corresponding author), St Lukes Int Hosp, Div Med Oncol, Chuo Ku, 9-1 Akashi Cho, Tokyo 1048560, Japan.

ANTI-CANCER DRUGS, 2020; 31 (9): 973

Abstract

Tumor human epidermal growth factor receptor 2 (HER2) status is defined by either protein expression using immunohistochemistry (IHC) or gene amplific......

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