Squamous cell carcinoma of the third eyelid in a dog.
D000818:Animals; D002294:Carcinoma, Squamous Cell / Q000473:pathology / Q000662:veterinary*; D004283:Dog Diseases / Q000473:pathology*; D004285:Dogs; D005142:Eyelid Neoplasms / Q000473:pathology / Q000662:veterinary*; D005260:Female; D009541:Nictitating Membrane / Q000473:pathology