A female Mamta, 26 year old 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 diaganosed as having severe tracheal stenosis. What would be the next line of management -
Laser excision and stent insertion
Steroids
Tracheal dilatation
Tracheal resection and end to end anastomosis