Which one of the following is not a feature of renal aery stenosis?

In renal aery stenosis - Hypeension is difficult to control with drugs. Patients often respond to Revascularization procedures like percutaneous renala aery angioplasty . There may be decline in GFR during therapy with ACE -inhibitors or ARB'S. Renal aery stenosis can be unilateral or bilateral, so kidneys may be asymmetrical . Atherosclerosis is the common cause of renal aery stenosis in elderly. Ref:Harrison 20 th edition pg no 1906