<prompt> A patient underwent lateral skull base surgery few months back and has presented with complaints of recurrent aspirations. There is no change in voice of the patient. Which of the following nerve is most likely injured during surgery?Vagus nerveGlossopharyngeal nerveSLN nerveRLN nerve  <response>: UL SLN palsy - MC due to neck surgery . Symptoms - Loss of pitch and aspiration Rx - Conservative UL RLN palsy - MC is left RLN because of longer course But in neck surgery most common injured is Right RLN because it has superficial course. Symptoms - Hoarseness paramedian position of vocal cord Rx - Conservative UL CN X palsy - MC cause is surgery Symptoms - Hoarseness due to cadaveric position of vocal cord and aspiration Rx - Type 1 tyroplasty In question mention that there is no change in voice but there is aspiration . it is a case of SLN palsy. 