title: [PERIURETERAL FIBROSIS AND LYMPHOSARCOMA].
mesh_terms: D005355:Fibrosis; D006801:Humans; D008223:Lymphoma; D008228:Lymphoma, Non-Hodgkin; D014513:Ureter; D014517:Ureteral Obstruction
keywords: LYMPHOSARCOMA; URETER; URETERAL OBSTRUCTION
vernacular_title: FIBROSI PERIURETERALE E LINFOSARCOMA.