Reflux filling the pelvicalyceal system with moderate dilatation of ureter is
Reflux into ureter without dilation - I
Reflux filling the pelvicalyceal system without dilatation of ureter - II
Reflux filling the pelvicalyceal system with moderate dilatation of ureter- III
Blunting of fornix into pelvicalyceal system - IV
Reflux filling the pelvicalyceal system with dilated and tortorous ureter - V.
Grade I
Grade II
Grade IV
Grade IV