Despite a somewhat lower percentage of false positive find ings, RetroperitonealDisease is found at staging laparotomy in only one-third of patients with normal lymphangiograms...
Disease is usually unilateral and occurs secondary to complete or partial obstruction of the kidney or ureter by uroliths or because of neoplasia, RetroperitonealDisease...
Disease was clinical stage I in 13 cases(38%) and lymphovascular