[Renal fistula formation in pyonephrosis due to calculi].
D006801:Humans; D007674:Kidney Diseases; D053018:Pyonephrosis; D014515:Ureteral Diseases; D014545:Urinary Calculi / Q000150:complications*; D014548:Urinary Fistula / Q000209:etiology*
URINARY CALCULI/complications; URINARY FISTULA/etiology