Granulosa cell tumor.
D000818:Animals; D005260:Female; D006106:Granulosa Cell Tumor / Q000473:pathology / Q000601:surgery / Q000662:veterinary*; D006734:Horse Diseases / Q000473:pathology* / Q000601:surgery; D006736:Horses; D008722:Methods; D010051:Ovarian Neoplasms / Q000473:pathology / Q000601:surgery / Q000662:veterinary*; D011182:Postoperative Care / Q000662:veterinary