Fig. 3

A Ventrodorsal radiograph identifying the endotracheal tube (arrow) at the level of the tracheal bifurcation. B Dorsal oblique plane CT image showing tracheal bifurcation at approximately 4.67 cm from the glottis
A Ventrodorsal radiograph identifying the endotracheal tube (arrow) at the level of the tracheal bifurcation. B Dorsal oblique plane CT image showing tracheal bifurcation at approximately 4.67 cm from the glottis