Oncology patients can be treated with implanted internal radiation devices which are used to provide radiotherapy targeted to cancer cells either through direct implantation or some sort of targeted delivery system. Sealed implants are implanted close to the tumor region and exert a limited, local effect. Unsealed implants are systemic (i.e. radioactive iodine for hyperthyroidism). All patients with implanted radiation devices require special safety practices, which attempt to limit radiation exposure to other patients and to health care personnel. It is recommended that visitors remain 6 feet away from the patient and limit their stay to 30 minutes per day. Patients with sealed implants should understand they will be emitting radiation that may be harmful to others. Patients with unsealed implants need to additionally be aware their bodily fluids will also be radioactive. If a patient’s implant becomes dislodged, the nurse should pick it up with gloves and forceps, place it in a lead-lined container, and call the radiation safety office to collect it. A sterile container is not sufficient protection.