title: Reply to the letter to the editor 'second-line chemotherapy in advanced biliary cancer: the present now will later be past' by Vivaldi et al.
authors.affiliation: Department of Medical Oncology, Academic Health Sciences Centre, Manchester.
authors.forename: A
authors.initials: A
authors.lastname: Lamarca
authors.affiliation: Department of Medical Oncology, Academic Health Sciences Centre, Manchester.
authors.forename: R A
authors.initials: RA
authors.lastname: Hubner
authors.affiliation: MAHSC Clinical Trials Unit, The Christie NHS Foundation Trust, Manchester, UK.
authors.forename: W D
authors.initials: WD
authors.lastname: Ryder
authors.affiliation: Department of Medical Oncology, Academic Health Sciences Centre, Manchester. Electronic address: juan.valle@christie.nhs.uk.
authors.forename: J W
authors.initials: JW
authors.lastname: Valle
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D001661:Biliary Tract Neoplasms / Q000188:drug therapy*; D006801:Humans
chemical_list: D000970:Antineoplastic Agents