
Mouth cancer can develop on most parts of the mouth, including the lips, gums and occasionally, the throat. The most common symptoms of mouth cancer include: red or white patches in the mouth or throat a lump ulcers Other symptoms may include: persistent pain in the mouth pain or difficulty when swallowing (dysphagia) changes in your voice, or speech problems swollen lymph nodes (glands) in your neck unexplained weight loss bleeding or numbness in the mouth a tooth, or teeth, that becomes loose for no obvious reason difficulty moving your jaw