title: Unilateral hydronephrosis in a spayed bitch.
mesh_terms: D000818:Animals; D002369:Castration / Q000009:adverse effects / Q000662:veterinary*; D004283:Dog Diseases / Q000209:etiology*; D004285:Dogs; D005260:Female; D005402:Fistula / Q000662:veterinary; D006869:Hydronephrosis / Q000175:diagnosis / Q000601:surgery / Q000662:veterinary*; D009392:Nephrectomy; D011183:Postoperative Complications; D014513:Ureter / Q000293:injuries