Ewing's sarcoma of the vertebral column.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control; D012512:Sarcoma, Ewing / Q000532:radiotherapy*; D013125:Spinal Neoplasms / Q000532:radiotherapy*