Introduction
Laryngeal cancer is cancer of the larynx (voice box, vocal cords, or other areas of the throat. Laryngeal carcinoma is the second most common malignancy of the neck and head and the eleventh most common form of cancer among men over the world (Chu and Kim, 2008). The larynx is responsible for the respiration, phonation, and deglutition while it also contributes to smell and taste by allowing the air to move over the special sense organs. Therefore, loss of laryngeal function directly affects swallowing and speech (Chu and Kim, 2008).
In 2011, there were more than 89,000 people
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