title: Testing for discordance at metastatic relapse: does it matter?
authors.forename: Stephen
authors.initials: S
authors.lastname: Chia
mesh_terms: D001706:Biopsy / Q000706:statistics & numerical data*; D001943:Breast Neoplasms / Q000473:pathology* / Q000628:therapy*; D005260:Female; D006801:Humans