Mesenchymal chondrosarcoma. Medullar lesion of humerus.
D000293:Adolescent; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology; D002813:Chondrosarcoma / Q000000981:diagnostic imaging / Q000473:pathology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D006811:Humerus; D011859:Radiography