Radiation therapy Radiation therapy uses x-rays to kill cancer cells and shrink tumors. Chemotherapy Chemotherapy uses drugs to kill cancer cells. Chemotherapy may also be taken by pill, or it may be injected into a vein or muscle with a needle. Chemotherapy given in this way is called a systemic treatment because the drug enters the bloodstream, travels through the body, and can kill cancer cells outside the skin. Systemic chemotherapy for skin cancer is being tested in clinical trials.
Biological therapy tries to get the body to fight cancer.
It uses materials made by the body or made in a laboratory to boost, direct, or restore the body s natural defenses against disease. Photodynamic therapy Photodynamic therapy uses a certain type of light and a special chemical to kill cancer cells. This information is not intended to be a substitute for individual medical advice in diagnosing or treating a health problem. Please consult with your health care provider about your health care concerns.