Currently, oropharyngeal cancer, or the cancer of oral and pharyngeal cavity grouped together is considered to be the 6th most common type of cancer worldwide (Warnakulasuriya 309; Saman 1). Annually, there is an estimated 650,000 new cases of head and neck cancer with 275,000 cases of oral cancer while pharyngeal cancer accounts for another 130,000 (Warnakulasuriya 309; Herrington 3). It is also reported that in such number of patients actually diagnosed as having oropharyngeal cancer, 350,000 actually die from it although survival rate is relatively higher (Herrington 3; Warnakulasuriya 313). In total, 90% of oropharyngeal Continue reading...