title: Elective Nodal Irradiation in Breast Cancer: Time for Trials on the Basis of Tumor Biology.
authors.affiliation: University of Florence, Florence, Italy.
authors.forename: Lorenzo
authors.initials: L
authors.lastname: Livi
authors.affiliation: University of Florence, Florence, Italy icro.meattini@unifi.it.
authors.forename: Icro
authors.initials: I
authors.lastname: Meattini
authors.affiliation: University of North Carolina, Chapel Hill, NC.
authors.forename: Orit
authors.initials: O
authors.lastname: Kaidar-Person
authors.affiliation: Radboud University Medical Center, Nijmegen, the Netherlands.
authors.forename: Philip M
authors.initials: PM
authors.lastname: Poortmans
mesh_terms: D001943:Breast Neoplasms; D006801:Humans; D008198:Lymph Nodes; D008207:Lymphatic Metastasis