Benign osteoblastoma of a rib.
D000293:Adolescent; D001859:Bone Neoplasms / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D010017:Osteoma, Osteoid / Q000000981:diagnostic imaging* / Q000473:pathology; D011859:Radiography; D012272:Ribs / Q000000981:diagnostic imaging* / Q000473:pathology