title: Combined mediastinal and retroperitoneal fibrosis.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology; D008297:Male; D008477:Mediastinal Diseases / Q000175:diagnosis* / Q000473:pathology; D008875:Middle Aged; D011704:Pyelonephritis / Q000209:etiology; D012185:Retroperitoneal Fibrosis / Q000175:diagnosis* / Q000473:pathology; D014517:Ureteral Obstruction / Q000209:etiology