Keywords: Estrogen receptor assay (3).jpg A culture dish containing frozen breast tissue A technician's hands and test instruments are visible as well This is used for analysis in estrogen receptor assay test Results suggest whether removal of ovaries or use of antiestrogen drugs are likely to be effective Topics/Categories Test or Procedure -- Lab Tests Type Color Photo Source National Cancer Institute Linda Bartlett Photographer 2021 1980 Reuse Restrictions None - This image is in the public domain and can be freely reused Please credit the source and/or author listed above Linda Bartlett Photographer PD-USGov-HHS-NIH Media from National Cancer Institute Visuals Online Images uploaded by Fæ Chemical tests |