10. A red, white, or black discoloration on the soft tissues in the mouth
According to the Oral Cancer Foundation, one of the common causes of oral and oropharyngeal cancer is the human papillomavirus (HPV) particularly the HPV 16, which affects both males and females.
You may be suffering cancer in the middle part of your throat (oropharynx) if you notice a red, white, or black discoloration on the soft tissues of your mouth. The HPV 16 usually infects the posterior region of the oropharynx such as the base of the tongue, the back of the throat, the tonsils, the tonsillar crypts, and tonsillar pillars