mild hydronephrosis

What Is Mild Pelviectasis? Mild dilatation of this renal pelvis What causes mild Pelviectasis? Two of the more common causes for mild hydronephrosis and their effects are: Ureteropelvic junction obstruction, also referred to as UPJ obstruction, is the most common cause of hydronephrosis. With UPJ obstruction, the flow of urine from the kidney to the