Food energy is potential energy that animals (including humans) derive from their food through the process of cellular respiration.
The three kinds of treatment used for tongue cancer are: 1  Surgery: removal of the cancerous tumor and surrounding tissue. 2  Radiotherapy: uses high-energy particles from radioactive elements to kill cancerous cells left behind after surgery.
The exam looks for unusual red or white skin patches or sores inside the mouth and on the tongue or lips and swelling in the head and neck region. Oral cancer is most successfully treated when these often-unnoticed skin changes are found early in the course of the disease while still painless.