Osteosarcoma of the atlas in a dog.
D000818:Animals; D001270:Cervical Atlas; D004283:Dog Diseases / Q000000981:diagnostic imaging*; D004285:Dogs; D005260:Female; D012516:Osteosarcoma / Q000000981:diagnostic imaging / Q000662:veterinary*; D011859:Radiography; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging / Q000662:veterinary*