title: Reply to 'Intratumoral heterogeneity of HER2 gene amplification in breast cancer: its clinicopathological significance'.
authors.forename: Hee Jin
authors.initials: HJ
authors.lastname: Lee
authors.forename: So Yeon
authors.initials: SY
authors.lastname: Park
mesh_terms: D001943:Breast Neoplasms / Q000235:genetics* / Q000401:mortality* / Q000473:pathology*; D005260:Female; D005784:Gene Amplification; D018734:Genes, erbB-2 / Q000235:genetics*; D006801:Humans