title: [Retroperitoneal fibrosis].
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D007669:Kidney Calculi / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D012185:Retroperitoneal Fibrosis / Q000000981:diagnostic imaging / Q000473:pathology; D014513:Ureter / Q000473:pathology; D014567:Urography
vernacular_title: Retroperitonealis fibrosis.