Renal crystallization supposed?

Health counseling description:
I go to the hospital because of pelvic inflammatory disease to do B identified several one echo area gets 3MM, ureters normal kidney, I ask ye Governance? Addition to drink plenty of water outside was it? Diet should pay attention to what it?
Doctor: Hello, Please speak more clearly please? Is what echo District? B super results? Big problem, it is recommended to drink lots of water. Both kidneys see several hyperechoic spot, the larger 3MM, rear with short acoustic shadow. CDFI: intrarenal blood flow distribution is still normal. The bilateral ureteral no significant expansion period no obvious abnormalities. Normal bladder morphology outline, the bladder wall is slightly rough, for the period through the sound is still good.