i nlakeeb 33 age .i had apain in my right side back. i have did the ufr that says . pale yellow,app- clear,reaction -acid,gravity-1.015,albumin-nil,sugar-nil,bile-nil,urobilin-normal, puse cell-1-2 red cell 2-3 epithelial cellls-+ cast-nil crystal-nil organisma-nil dr, is it possible for stone or infection.