title: Ureteral obstruction in chronic ectopic pregnancy.
mesh_terms: D000328:Adult; D002908:Chronic Disease; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000150:complications* / Q000601:surgery; D014517:Ureteral Obstruction / Q000209:etiology* / Q000601:surgery