title: Ureteral narrowing without urinary symptoms: two cases.
mesh_terms: D003251:Constriction, Pathologic; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology; D006977:Hypertension, Renal / Q000209:etiology; D008297:Male; D008875:Middle Aged; D012185:Retroperitoneal Fibrosis / Q000150:complications*; D014515:Ureteral Diseases / Q000150:complications / Q000000981:diagnostic imaging / Q000209:etiology*; D014567:Urography