Respected sir, My 11 months boy baby was suffering from mild hydronephrosis since birth.In between phimosis also observed. And operation was done successfully before 20 days ago. Since tomorrow he is suffering from high fever. Today ultrasound has been done and report is showing mild hydronephrosis in left kidney. The size is as: Left kidney: 6.5 cm, right kidney :5.4 cm dated: 24/02/18. Ureter: right dilated till VUJ. LEFT:VUJ Earlier ultrasound report: dated:1 feb 18 left kidney: 6.56�2.64 cm ,Rt: 5.13 �3.02 cm, opinion:bilateral hydronephrosis .sir, before that also scan has been done and in all cases it was showing a "mild left hydronephrosis. Now what should I do for best treatment of my child. Kindly help sir, With Thanks and regards,