ORAL CANCER Oral cancer includes cancers of the mouth and the back of the throat. Oral cancers develop on the tongue, on the tissue lining, gums and under & base of the tongue of the mouth. Let's change the world together Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window