Both kidneys are normal in size, and axis. Left pelvicalyceal systems is mildly dilated. A calculus of size approx 5x 4 mm (~1040 HU ) is seen in left distal ureter approx 1 cms proximal to the left VUJ causing mild upstream hydroureteronephrosis with e/o mild periureteric fat stranding. Tiny non obstructive 1.5 mm concretion is seen in left
kidney middle calyx. The lower pole of the both the kidneys are uniting in the middle forming isthmus of thickness 16 mm, anterior to the aorta and