title: Mass in caudal portion of abdomen.
mesh_terms: D000818:Animals; D004283:Dog Diseases / Q000000981:diagnostic imaging*; D004285:Dogs; D004407:Dysgerminoma / Q000000981:diagnostic imaging / Q000662:veterinary*; D008297:Male; D011860:Radiography, Abdominal; D013736:Testicular Neoplasms / Q000000981:diagnostic imaging / Q000662:veterinary*