title: An unusual manifestation of non-Hodgkin's lymphoma. Fibrosis masquerading as Ormond's disease.
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology; D008224:Lymphoma, Follicular / Q000175:diagnosis* / Q000473:pathology; D008228:Lymphoma, Non-Hodgkin / Q000175:diagnosis* / Q000473:pathology; D012185:Retroperitoneal Fibrosis / Q000175:diagnosis*; D012598:Sclerosis; D014513:Ureter / Q000473:pathology