title: Evaluating HER2 in Gastroesophageal Cancer.
abstract: New evidence-based guidelines for HER2 testing in patients with gastroesophageal adenocarcinoma aim to improve treatment by determining who might benefit from targeted therapies.
mesh_terms: D000230:Adenocarcinoma / Q000378:metabolism*; D014408:Biomarkers, Tumor / Q000378:metabolism; D004938:Esophageal Neoplasms / Q000378:metabolism*; D006801:Humans; D017410:Practice Guidelines as Topic; D018719:Erb-b2 Receptor Tyrosine Kinases / Q000378:metabolism*; D013274:Stomach Neoplasms / Q000378:metabolism*
chemical_list: D014408:Biomarkers, Tumor; D018719:Erb-b2 Receptor Tyrosine Kinases; C508053:ERBB2 protein, human