title: Chromosome 17 polysomy without HER2 amplification does not predict response to lapatinib in metastatic breast cancer--letter.
authors.forename: Cathy B
authors.initials: CB
authors.lastname: Moelans
authors.forename: Roel A
authors.initials: RA
authors.lastname: de Weger
authors.forename: Paul J
authors.initials: PJ
authors.lastname: van Diest
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use; D001943:Breast Neoplasms / Q000188:drug therapy* / Q000235:genetics; D002277:Carcinoma / Q000188:drug therapy* / Q000235:genetics; D002886:Chromosomes, Human, Pair 17; D005260:Female; D005784:Gene Amplification / Q000235:genetics; D006801:Humans; D000077341:Lapatinib; D009362:Neoplasm Metastasis; D011123:Polyploidy; D011379:Prognosis; D011799:Quinazolines / Q000627:therapeutic use*; D018719:Erb-b2 Receptor Tyrosine Kinases / Q000235:genetics*
chemical_list: D000970:Antineoplastic Agents; D000077341:Lapatinib; D011799:Quinazolines; D018719:Erb-b2 Receptor Tyrosine Kinases; C508053:ERBB2 protein, human