question: Hi Dr. I am for the past one and a half years suffering from kidney stones, both sises . however, now both the kidneys are clear as per the ultrasound report and one 8 mm stone is lodged in ureter which is causing pain and further mild swelling in kidney. My Q is whether I should go for surgery or continue with medicines for its removal.  I am concerned about swelling in kidney is it serious or cause any damage to my system, plz. advice.,