Significance of the use of a laryngotracheal flap to reconstruct defects and manage pharyngoesophageal stenosis after the resection of hypopharyngeal carcinoma with cervical oesophagus involvement: a retrospective study

As an effective repair method, laryngotracheal flaps have broad application prospects in the repair of the cervical oesophagus after the resection of hypopharyngeal carcinoma with cervical oesophageal involvement. Coblator plasma surgery and catheter dilation may effectively address the problem of eating difficulties in patients with postoperative pharyngoesophageal stenosis.