Malignant bone aneurysm (osteogenic sarcoma).
D000783:Aneurysm; D001859:Bone Neoplasms; D006801:Humans; D007866:Leg; D008499:Medical Records; D009369:Neoplasms; D012516:Osteosarcoma; D012509:Sarcoma
ANEURYSM/case reports; LEG/neoplasms; SARCOMA, OSTEOGENIC/case reports