Simple renal cortical cyst is a normal thing.... you need not worry about this...
As the size of cyst is 3.2 cm get an USG done every 6 monthly to monitor the increase in size...
If the size is increasing then you should consult a urologist...
4.4 mm stone in left kidney and 6.2*5.6 cm (cc*tr) cortical cyst with internal separation in right kidney
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