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This can be seen in cases of persistent right umbilical vein (PRUV).The PRUV connects to the right portal vein and curves towards the stomach. Normally the right umbilical vein regresses but when it persists, it can be a normal variant and isolated or associated with cases of heterotaxy and situs inversus. If detected, you may see a 4 vessel cord and it is important to ensure you perform a detailed assessment of the heart and check the relationship of the aorta/IVC in the abdomen.