SirKidneys both are normal in size ane echotexture.Rt kidney 10.6X5.4cms. 4mm calculus noted in middle calyx, no hydronephrosis.Lt kidney 10.3X5.5cms. Same to rt kindey.Bladder 5mm calculus noted .Impression;- BILAYERAL SMALL RENAL CALCULI.SMALL VESICAL CALCULUS.
Hi presence of stone in kidney and bladder can not be normal and that answers your queryBladder stone may pass out without intervention other stone may require surgical intervention take care Chat Doctor.