A lytic mass involving S-1, suggestive of neoplasia.
D000818:Animals; D004283:Dog Diseases / Q000000981:diagnostic imaging*; D004285:Dogs; D005354:Fibrosarcoma / Q000000981:diagnostic imaging / Q000662:veterinary*; D008297:Male; D011859:Radiography; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging / Q000662:veterinary*