Mouth cancer, also known as oral cancer, is where a tumour develops on the surface of the tongue, mouth, lips or gums.Tumours can also occur in the salivary glands, tonsils and the pharynx (the part of the throat from your mouth to your windpipe) but these are less common. On this show, we’ll be discussing the signs and symptoms of oral cancer, how it is diagnosed, treated and cured, what you can do to prevent it, and more.