hydronephrosis - caused by a sto
pelvic junction obstruction, or floating kidney
(UPJ - where the kidney and ureter
I'm assuming this is the renal pelvis that is dilated.
Other test for kidney
diuretic renal gram (stress test for the kideny)
retrograde pyelogram (shows explicit detail of the urter and kideny, but doesn't stress the kidney or ureter out to
show how it performs under normal everyday living.)
drink lots of water.