Gastric mast cell tumor in a cougar.
D000818:Animals; D002335:Carnivora; D008198:Lymph Nodes / Q000473:pathology; D008297:Male; D012515:Mast-Cell Sarcoma / Q000473:pathology / Q000662:veterinary*; D013270:Stomach / Q000473:pathology; D013274:Stomach Neoplasms / Q000473:pathology / Q000662:veterinary*