Most common congenital anomaly of kidney
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
Ectopic kidney
Renal duplication
Horse shoe kidney
Renal agenesis
Abdomen and pelvis