Which of following is not a feature of renovascular hypertension on intravenous urography -
IVU findings of renovascular hypertension are -


Delayed or absent nephrogram
Normal or atrophic kidney without calyceal deformity or abnormality
Ureteral kinking (in retroperitoneal fibrosis)
Rim nephrogram
Delayed 'wash - out' of contrast
Filling defect in calyces
Ureteral kinking
Normal or small sized kidney