###Human: My left side kidney was swollen and I have kidney stone. Do i need surgery to remove the kidney stone? ###Assistant: Hello. A 2-cm kidney stone is a fairly large one and it will definitely require surgery. I cannot recommend using any natural remedies for a stone of this size though they will not affect the stent. The stone, however, can move to cause obstruction again, but this is unlikely if the stent remains in position. The surgery has to be done under general anesthesia. The procedure used varies based on the location of the stone and your treating urologist. I would have to have a look at the CT (computed tomography) scan images before I can make a plan. I would recommend you to go ahead with the surgery as that gives you the best chance of getting your stone removed. For more information consult a urologist online -->