For radiation, this uses intense beams of energy to kill cancer cells. It can target lung cancer externally, or radioactive medicine can be placed internally near tumors via needles, catheter tubers, or seeds. Chemotherapy uses toxic drugs to kill the cancer cells. These drugs may come in either injection or pill form. Surgery is actually one of the oldest known treatments. It is often used to remove the cancerous tissue. During surgery, a varying amount of the lung may be removed, depending on the severity of the case. A small section of the lung, one of the lobes, or entire lung may be removed also. Lung cancer can also be