Most common congenital anomaly of kidney
Ectopic kidney
Renal duplication
Horse shoe kidney
Renal agenesis
Congenital anomalies of kidney and urinary tract is phenotypically variable and can affect the kidney(s) alone and/or the lower urinary tract. The spectrum includes more common anomalies such as vesicoureteral reflux and, rarely, more severe malformations such as bilateral renal agenesis. ref - researchgate.net
Abdomen and pelvis