Ewing's sarcoma.
D000293:Adolescent; D001859:Bone Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000628:therapy; D005260:Female; D006801:Humans; D012509:Sarcoma / Q000628:therapy; D012512:Sarcoma, Ewing / Q000175:diagnosis / Q000473:pathology*; D013977:Tibia / Q000473:pathology*