Receptor Tyrosine-Protein Kinase erbB-2 [Presence] in Breast Cancer Specimen by Immune Stain

**Semantic type:** Laboratory Procedure

**Definition:** An immunoassay procedure that detects receptor tyrosine-protein kinase erbb-2 in a breast cancer specimen.

**Synonyms:** - HER2 [Presence] in Breast cancer specimen by Immune stain