Left pelvicalyceal system is moderately dilated with smooth narrowing in the region of pelvi-ureteric junction suggestive of partial PUJ obstruction.
No PUJ calculus or mass noted.
Right
kidney measures approximately 9.2 x 4.5 cms.
Left kidney measures approximately 10.2 x 4.8 cms
IMPRESSION: NCCT KUB reveals
Moderate left hydronephrosis ? due to partial PUJ obstruction