<prompt> Kashima s operation done for all conditions except:Vocal cord dysplasiaCa larynxNasophargyneal CaBilateral abductor palsy  <response>: Kashimas operation: A transverse Endoscopic transverse chordectomy Posterior paial chordectomy using CO2 laser- performed for treating the respiratory difficulty caused as a result of bilateral abductor vocal fold paralysis. It is done in case of: - BL Recurrent Laryngeal nerve palsy. - Dysplastic vocal folds - Malignancies not a mainstay treatment for malignancies 