Bilateral lithiasis left kidney measuring 11 mm in pelvic ureter junction WBC 20-25 in urine?

Here are some... The odd to pass a 4-mm stone through ureter to bladder in 2 weeks is about 75-85%; for a 11-mm one, its odd to pass should be next to zero. Finding 20-25wbc indicates significant inflammation most likely related with stone-related irritation to the lining of urinary tract. So, intervention at convenient time is advised as long as being tolerable and of no fever. More? Ask treating urologist timely.
Kidney stone. You obviously have bilateral kidney stones these can be removed with sonication or sometimes surgically they should be removed and analyze for the chemical analysis make sure you hydrate.