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[|Human|] Hi in a recent ultrasound scan in my right kidney there is evidence of mobile calculus in mid calyx, and right mild pelvicalyceal prominence. In addition over last three years the size of kidney has become smaller 11*5.2 in year 2007 to 10.5*3.9 in 2012. Is there anything to worry about or ending further investigation. All kidney functions testes are normal
[|AI|]  Dear friend, welcome to Chat Doctor.USG size is little subjective too, and can vary to some extent on different occasions. One good thing is that the renal functions are normal as per your info. Mobile stones can also cause obstruction, UTI, (infections), fullness/ dilatation of cancel system and slowly with repeated attacks, kidney function may worsen. So, keep close follow up, report any fever, pain, bleeding per urinary tract, pus in urine etc. early. Do you still get pain, Otis?lab tests (creatinine) get abnormal after >70% kidney function is lost !what tests have you undergone?pl. Post them or ask your doc to rule out CKD.take care and keep me posted on your progress.