Noun
HER-2 (uncountable)
(oncology) Receptor which is the target for the drug trastuzumab in chemotherapy.
Commonly, peptides, antibodies, or small ligands, and small protein domains, such as HER-2 affibodies, have been applied to achieve targeting. Source: Internet
Until now, women have faced a great deal of uncertainty about whether to add chemo to hormone therapy after a diagnosis with hormone-receptor positive, HER-2 negative breast cancer at an early stage before it has spread to the lymph nodes.“ Source: Internet