title: How do you tell whether a breast cancer is HER2 positive? Ongoing studies keep debate in high gear.
authors.forename: Charlie
authors.initials: C
authors.lastname: Schmidt
mesh_terms: D000911:Antibodies, Monoclonal / Q000494:pharmacology*; D061067:Antibodies, Monoclonal, Humanized; D000970:Antineoplastic Agents / Q000494:pharmacology; D014408:Biomarkers, Tumor / Q000032:analysis*; D001943:Breast Neoplasms / Q000737:chemistry*; D004247:DNA / Q000032:analysis; D017277:Drug Approval; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D017404:In Situ Hybridization, Fluorescence; D011237:Predictive Value of Tests; D018719:Erb-b2 Receptor Tyrosine Kinases / Q000032:analysis* / Q000187:drug effects* / Q000235:genetics; D015203:Reproducibility of Results; D000068878:Trastuzumab; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D000911:Antibodies, Monoclonal; D061067:Antibodies, Monoclonal, Humanized; D000970:Antineoplastic Agents; D014408:Biomarkers, Tumor; D004247:DNA; D018719:Erb-b2 Receptor Tyrosine Kinases; D000068878:Trastuzumab; C508053:ERBB2 protein, human