Cancer of the tongue is a type of oral cancer that occurs in the front two-thirds of the tongue. If cancer occurs at the back of the tongue, then it is a type of head or neck cancer. These cancers are extremely rare and occur in a small number of cases. Cancer in the front of the tongue also does not occur as often, but it is the most common type of oral cancer. Cancer of the tongue mainly occurs in squamous cells - thin, flat cells that are found on the surface of all soft tissues, and therefore the tongue. Cancer of the tongue is a disease that affects the front of the tongue, while cancer in the back of the tongue is called oropharyngeal cancer. Symptoms that indicate tongue cancer are pain in the jaw or throat, pain during swallowing, feeling that there is something in the throat, stiff tongue or jaw, problem with chewing and swallowing food, white or red stamps in the mouth or tongue, ulcer on non-healing tongue, pimples in the mouth, bleeding tongue and growths on the tongue.