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2nd trimester scan at 27 wk of gestation
A cephalic fetus, left side anterior, normal liquor, and anterior placenta.
The fetal left kidney is seen enlarged with moderate hydronephrosis and stretched parenchyma. The AP diameter of the renal pelvis measures 15 mm. There is a ballooning of the renal pelvis with no visualised dilated left ureter.
Normal size of the fetal right kidney with minimal pelvicalyceal dilatation (rim like), likely physiological.
Normal urinary bladder.