title: Retroperitoneal fibrosis and avascular necorsis of the femoral head.
mesh_terms: D000328:Adult; D005260:Female; D005271:Femur Head Necrosis / Q000150:complications*; D006801:Humans; D006869:Hydronephrosis / Q000175:diagnosis; D012185:Retroperitoneal Fibrosis / Q000150:complications*; D014517:Ureteral Obstruction / Q000175:diagnosis / Q000601:surgery