Which of the following structure lie at the level of arch of aoa?

Tracheal bifurcation occur at the level of lower border of T4 veebrae, and the arch of aoa commences at the level of the sternal angle and ends at the lower border of T4. Structures located anteriorly and to the left of aoic arch are:Left lung and pleuraLeft vagus and left phrenic nerveLeft superior intercostal veinStructures located posteriorly and to the right of aoic arch are:Veebral columnEsophagusTracheaSuperior vena cavaStructures located above the arch of aoa:Brachiocephalic aeryLeft common carotid aeryLeft subclan aeryStructures located below the arch of aoa:Bifurcation of the pulmonary trunkLeft principal bronchus