Radiology Structure forming right border of heart – a) SVCb) IVCc) Rt. atriumd) Lt. atrium appendagee) Pulmonary vessels A ab B abc C acd D bcd 💡 Explanation Structure forming right border of heart – a) SVCb) IVCc) Rt. atriumd) Lt. atrium appendagee) Pulmonary vessels ✓ Correct Answer: B. abc