title: Updated guidelines recommend HER2 testing in all breast cancer patients.
authors.forename: Stacey
authors.initials: S
authors.lastname: Small
mesh_terms: D001943:Breast Neoplasms / Q000175:diagnosis / Q000178:diet therapy / Q000235:genetics / Q000378:metabolism; D005260:Female; D005784:Gene Amplification; D006801:Humans; D017403:In Situ Hybridization / Q000379:methods* / Q000592:standards; D017410:Practice Guidelines as Topic; D018719:Erb-b2 Receptor Tyrosine Kinases / Q000235:genetics / Q000378:metabolism
chemical_list: D018719:Erb-b2 Receptor Tyrosine Kinases; C508053:ERBB2 protein, human