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