A growing concern in advancing operative procedures for the treatment of carcinoma has focused attention on the occurrence of hoarseness related to operative invasion. To enhance the operative redicality, the operative procedures of radical node dissections in the neck and the mediastinum are of value. In order to avoid the occurrence of hoarseness, it is important to recognize the anatomical pathway of the recurrent nerve and vagus and to avoid the surgical injury to these nerves.
It is well known that ipsilateral recurrent nerve paralysis is not a life-threatening disorder.
we call attention to an alteration of cardiopulmonary hemodynamics when left vagal nerve is divided at high level. The treatment of recurrent nerve paralysis was also discussed in detail.
