Mastocytoma in a pig.
D000818:Animals; D005260:Female; D012515:Mast-Cell Sarcoma / Q000473:pathology / Q000662:veterinary*; D008854:Microscopy, Electron; D012878:Skin Neoplasms / Q000473:pathology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000473:pathology*