Ewing's sarcoma in a young Nigerian.
D000293:Adolescent; D000792:Angiography; D005266:Femoral Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D009362:Neoplasm Metastasis; D009549:Nigeria; D012512:Sarcoma, Ewing / Q000000981:diagnostic imaging*; D012886:Skull / Q000000981:diagnostic imaging; D013848:Thigh / Q000293:injuries