Hello i am balram with age 26 and last year i found stone in my left kidney with 5 mm in size and a week ago i had done ultrasound and found that stone has gone but while matching the last report with recent one i found that my kidney size has decreased a little bit last time my kidney was 11 cm of left and 10cm of right but now its size is 10.4 cm left and 9.8 cm in right is this the problem for my kidney and what test can be done to find out the actual problem need some suggestion