One of the more limited fire insurance policies, commonly providing coverage for loss or damage caused by fire or lightning, explosion, smoke, falling objects, impact by aircraft, spacecraft or land vehicle, riot, water damage, windstorm or hail, and vandalism or malicious acts.
1 Internal radiation therapy â radioactive material is placed (via a catheter or other carrier) directly into or near a tumor. ( 2 Example: high-dose rate brachytherapy). 3  Systemic radiation therapy â a radioactive substance (that is swallowed or injected) travels through the blood to locate and destroy cancerous cells.
Radiation therapy: The use of high-energy rays to damage cancer cells, stopping them from growing and dividing. Like surgery, radiation therapy is a local treatment that affects cancer cells only in the treated area.Radiation can come from a machine (external radiation) or from a small container of radioactive material implanted directly into or near a tumor (internal radiation).ike surgery, radiation therapy is a local treatment that affects cancer cells only in the treated area. Radiation can come from a machine (external radiation) or from a small container of radioactive material implanted directly into or near a tumor (internal radiation).