The following is on my scan report what does it mean? "the study shows bilateral moderate pelvicalyceal dilation with extra-renal renal pelvises, which is associated with moderate dilation of the bilateral ureters to the level of the ureterovesical j?

You need intervention as soon as possible. If there is no evidence of urinary tract infection, cystoscopy and retrograde stents are indicated. If active infection is present you need bilateral percutaneous nephrostomy tubes. If delayed, kidney impairment, acute to chronic, may ensue. With cystoscopy, etiology of bladder outlet obstruction can be diagnosed.

That there might be some obstruction to the outflow of urine where the upper urinary tube (ureter) opens into the bladder, on both sides, making the tubes and the collecting sac near the kidney(renal pelvis) also dilated. You should see a Urologist to find cause and get treated. Good luck