RETROPERITONEAL FIBROSIS.
D003558:Cystoscopy; D004194:Disease; D006869:Hydronephrosis; D012185:Retroperitoneal Fibrosis; D012187:Retroperitoneal Space; D013514:Surgical Procedures, Operative; D014517:Ureteral Obstruction; D014567:Urography
CYSTOSCOPY; DISEASE; HYDRONEPHROSIS; RETROPERITONEAL SPACE; SURGERY, OPERATIVE; URETERAL OBSTRUCTION; UROGRAPHY