<prompt> Mc cause of chronic laryngeal stenosis ?TraumaTBWegenersTumor  <response>: Ans. is a i.e., Trauma Laryngeal stenosis LS is a congenital or acquired narrowing of the larynx causing airway compromise. The acquired causes may be due to endotracheal intubation, trauma, burns, inflammation, neoplasms, autoimmune disorders and collagen vascular disease. 