Tongue cancer is a subgroup of head and neck cancer. Cancer develops from the squamous cells of the tongue. This leads to a local tumor growth with spreading later.

Tongue cancer is often grouped with other mouth cancers, such as cancer of the lips, hard palate, cheek lining, the portion of the mouth underneath the front of the tongue, or gums. These cancers are collectively known as oral cavity cancer.

Cancer of the Tongue
tongue cancer
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Cancer occurs when cells in the body divide without control or order. Eventually these uncontrolled cells form a growth or tumor. The term cancer refers to malignant growths. These growths can invade nearby tissues including the lymph nodes. Cancer that has invaded the lymph nodes can then spread to other parts of the body.

It is not clear exactly what causes these problems in the cells, but is probably a combination of genetics and environment. Changes may occur as a result of: