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.
Other symptoms of tongue cancer can include swollen lymph glands, especially in the neck. This is called lymphedema and may be a sign that the tongue cancer has spread beyond the tongues into the deeper tissues of the mouth and neck.