title: Roentgenographic changes after pyeloplasty.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging; D007223:Infant; D007682:Kidney Pelvis / Q000000981:diagnostic imaging / Q000601:surgery*; D008297:Male; D008722:Methods; D011183:Postoperative Complications / Q000000981:diagnostic imaging; D012008:Recurrence; D014513:Ureter / Q000000981:diagnostic imaging; D014517:Ureteral Obstruction / Q000151:congenital / Q000000981:diagnostic imaging / Q000601:surgery*; D014567:Urography