Medial placement of the ureter: a normal variant which may simulate retroperitoneal fibrosis.
D000293:Adolescent; D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012185:Retroperitoneal Fibrosis / Q000000981:diagnostic imaging*; D014513:Ureter / Q000002:abnormalities / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D014567:Urography