title: [Double primary osteosarcoma of bone metastasis].
authors.forename: J L
authors.initials: JL
authors.lastname: Caballero
authors.forename: C
authors.initials: C
authors.lastname: Singh
authors.forename: P F
authors.initials: PF
authors.lastname: Valdés
mesh_terms: D000671:Amputation, Surgical; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D005266:Femoral Neoplasms / Q000473:pathology / Q000556:secondary*; D006801:Humans; D006811:Humerus; D009378:Neoplasms, Multiple Primary; D012516:Osteosarcoma / Q000473:pathology / Q000556:secondary* / Q000628:therapy
vernacular_title: Osteosarcoma doble primario o metástasis óseas.