title: Osteosarcoma arising in a metastatic leiomyosarcoma.
authors.forename: C
authors.initials: C
authors.lastname: Feeley
authors.forename: P
authors.initials: P
authors.lastname: Gallagher
authors.forename: D
authors.initials: D
authors.lastname: Lang
mesh_terms: D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local / Q000473:pathology; D012516:Osteosarcoma / Q000473:pathology* / Q000556:secondary*; D013997:Time Factors