title: Renal fibrosarcoma in the northern fur seal.
abstract: A 2-week-old northern fur seal female pup (Callorhinus ursinus) found dead in the Pribilof Islands had an irregular mass at the anterior pole of the right kidney. Histopathological examination revealed a fibrosarcoma.
mesh_terms: D000818:Animals; D010872:Caniformia; D005260:Female; D005354:Fibrosarcoma / Q000473:pathology / Q000662:veterinary*; D046069:Fur Seals; D007668:Kidney / Q000473:pathology; D007680:Kidney Neoplasms / Q000473:pathology / Q000662:veterinary*