question: I HAVE PAIN IN MY BACK. SOMETIMES THE PAIN IS ON MY RIGHT OR CAN GO THE LEFT SIDE OF MY LOWER BACK. A SONOGRAM SHOWED THAT IMY RIGHT KIDNEY IS BIGGER THAN MY LEFT KIDNEY. IM HAVING TRACES OF BLOOD ON MY URINE, BUT IT'S NOT SHOWING INFECTIONS. SOMETIMES I FEEL A LOT OF PAIN ON MY FEETS.