[Hemorrhagic osteosarcoma].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D005266:Femoral Neoplasms; D006470:Hemorrhage; D006801:Humans; D008297:Male; D012516:Osteosarcoma; D012737:Sex Factors; D013977:Tibia
Osteosarcoma emorragico.