What to expect in a case of 31-year-old female having fetus with right sided aortic arch?

A 31-year-old, gravida 3, parity 1, abortion 1, pregnant woman underwent prenatal routine second mid-trimester ultrasonography in the 22nd week of her pregnancy for foetal anatomic scan. Her pregnancy has continued uncomplicated until now and there was no prominent feature in her history. First trimester screening was normal and nuchal translucency was in normal limits. At sonographic foetal examination foetal anatomy was evaluated normal and foetal biometrics was compatible with gestational age. Four chamber views were defined normal, left ventricular and right ventricular output were defined normal at foetal cardiac examination. At 3VT plane aorta was located at the right side of trachea. Arrangement of the vessels was pulmonary artery, trachea, aorta, superior vena cava from left to the right. In colour Doppler, U shaped vascular ring is visualized around the trachea. No other abnormality is detected on cardiac examination beside right sided aortic arch. Have you ever come across such sonographic findings in a fetus?