This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Congenital Lesions and Stridor, Subject name: ENT
[{'content': 'A 25-year-old female presented with gradually increasing respiratory distress since 4 days. She gives history of hospitalisation and mechanical ventilation with orotracheal intubation for 2 weeks. Now she is diagnosed as having severe laryngotracheal stenosis. Next step in the management is: \nSelect and explain. \nA. LASER excision, B. Steroids, C. Tracheal dilation, D. Resection and end to end anastomosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: (d) Resection and end to end anastomosis(Ref. Current Diagnosis & Treatment Otolaryngology, Lalwani, 3rd ed., 487)Prolonged intubation has resulted in subglottic stenosis. Since it is severe, resection and end to end anastomosis is the treatment of choice. Steroids have no role.LASER excision and tracheal dilation are considered in mild subglottic stenosis.', 'role': 'assistant'}]