Nonobstructive dilatation of the upper urinary tract.
D004106:Dilatation; D004194:Disease; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology*; D014513:Ureter; D014515:Ureteral Diseases; D001745:Urinary Bladder Diseases
BLADDER/diseases; HYDRONEPHROSIS/etiology and pathogenesis; URETERS/diseases