title: Pyometritis in spayed cats.
mesh_terms: D000818:Animals; D002369:Castration / Q000009:adverse effects*; D002371:Cat Diseases / Q000209:etiology*; D002415:Cats; D004283:Dog Diseases / Q000139:chemically induced; D004285:Dogs; D005260:Female; D007249:Inflammation / Q000209:etiology; D008535:Megestrol / Q000009:adverse effects*; D014591:Uterine Diseases / Q000139:chemically induced / Q000662:veterinary*
chemical_list: D008535:Megestrol