Irregular increased periosteal density involving the head of the humerus, suggestive of neoplasia.
D000818:Animals; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000662:veterinary*; D004283:Dog Diseases / Q000000981:diagnostic imaging*; D004285:Dogs; D005552:Forelimb; D012516:Osteosarcoma / Q000000981:diagnostic imaging / Q000662:veterinary*; D010521:Periosteum; D011859:Radiography