title: Unusual bone tumors after roentgen therapy of children. Two case reports.
mesh_terms: D001859:Bone Neoplasms; D001842:Bone and Bones; D002648:Child; D002813:Chondrosarcoma; D006801:Humans; D007223:Infant; D009369:Neoplasms; D012516:Osteosarcoma; D011832:Radiation Injuries; D009396:Wilms Tumor / Q000532:radiotherapy*
keywords: BONE AND BONES/neoplasms; CHONDROSARCOMA/in infancy and childhood; NEPHROBLASTOMA/radiotherapy; RADIATION INJURY; SARCOMA, OSTEOGENIC/in infancy and childhood