Malignant mastocytoma in a cow.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000473:pathology*; D005260:Female; D012515:Mast-Cell Sarcoma / Q000473:pathology / Q000662:veterinary*; D009369:Neoplasms / Q000473:pathology / Q000662:veterinary*