<prompt> Most common cause of chronic laryngeal stenosis isTraumaTuberculosisSLETumour  <response>: The most common cause of chronic laryngeal stenosis is Trauma. Complications of laryngeal trauma Laryngeal stenosis which is supraglottic, glottic or subglottic. Perichondritis and laryngeal abscess. Vocal cord paralysis. Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 326 