Patient: Do I need surgery for this disease? How much will it cost if I have surgery? The left kidney is 80mmx40mm in size. There is no separation of the left sinus and no dilatation of the ureter. The right kidney is 81mmx28mm. The right kidney is full of fluid without echogenicity. The right ureter is dilated and fluid accumulates in the middle and upper part of the right ureter, and the middle part is dilated near the bladder. Response: According to the information provided, the right ureter is obviously dilated and the renal cortex is thinning. The next treatment will be decided according to the cause.