title: [Contrast study of the kidneys and duodenum by pneumoretroperitoneum in retroperitoneal tumors].
mesh_terms: D000328:Adult; D000368:Aged; D003937:Diagnosis, Differential; D004386:Duodenum / Q000000981:diagnostic imaging*; D006801:Humans; D007668:Kidney / Q000000981:diagnostic imaging*; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging* / Q000601:surgery; D012188:Retropneumoperitoneum / Q000379:methods*; D014056:Tomography, X-Ray
vernacular_title: Kontrastnoe issledovanie pochek i dvenadtsatiperstnoĭ kiski v usloviiakh pnevmoretroperitoneuma pri zabriushinnykh opukholiakh.