<prompt> Reflux filling the pelvicalyceal system with moderate dilatation of ureter isGrade IGrade IIGrade IVGrade IV  <response>: Reflux into ureter without dilation - IReflux filling the pelvicalyceal system without dilatation of ureter - IIReflux filling the pelvicalyceal system with moderate dilatation of ureter- IIIBlunting of fornix into pelvicalyceal system - IVReflux filling the pelvicalyceal system with dilated and tortorous ureter - V. 