title: Ewing's sarcoma in rib. A report on 7 cases with special emphasis to the early roentgen findings.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001859:Bone Neoplasms / Q000000981:diagnostic imaging*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D011859:Radiography; D012272:Ribs; D012512:Sarcoma, Ewing / Q000000981:diagnostic imaging*