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Cancerous tumours of the mouth
A cancerous tumour of the mouth can grow into and destroy nearby tissue. It can also spread (metastasize) to other parts of the body. Cancerous tumours are also called malignant tumours.
Squamous cell carcinoma
The most common type of oral cancer is squamous cell carcinoma (SCC). SCC starts in the flat, thin cells (called squamous cells) that make up the oral mucosa (mucous membrane).
Rare mouth tumours
The following cancerous tumours of the mouth are rare:
Great progress has been made
Some cancers, such as thyroid and testicular, have survival rates of over 90%. Other cancers, such as pancreatic, brain and esophageal, continue to have very low survival rates.