title: Drug interactions in cancer patients: A hidden risk?
authors.affiliation: Department of Radiology and Oncology, Instituto do Câncer do Estado de São Paulo, University of Sao Paulo, São Paulo, Brazil. E-mail: rachel.riechelmann@hc.fm.usp.br.
authors.forename: Rachel
authors.initials: R
authors.lastname: Riechelmann
authors.affiliation: Department of Radiology and Oncology, Instituto do Câncer do Estado de São Paulo, University of Sao Paulo, São Paulo, Brazil. E-mail: rachel.riechelmann@hc.fm.usp.br.
authors.forename: Daniel
authors.initials: D
authors.lastname: Girardi