Laryngotracheal stenosis
This can occur at the level of the larynx , trachea , carina or main bronchi . 
<triplet> larynx <subj> trachea <obj> connects with <triplet> trachea <subj> larynx <obj> connects with <subj> main bronchi <obj> has anatomical branch <triplet> main bronchi <subj> trachea <obj> anatomical branch of