The most important waste stream from nuclear power plants is spent nuclear fuel. It is primarily composed of unconverted uranium as well as significant quantities of transuranic actinides (plutonium and curium, mostly). In addition, about 3% of it is fission products from nuclear reactions.
Radiation therapy or radiotherapy, often abbreviated RT, RTx, or XRT, is therapy using ionizing radiation, generally as part of cancer treatment to control or kill malignant cells. Radiation therapy may be curative in a number of types of cancer if they are localized to one area of the body.
Treatment of stage I and stage II pancreatic cancer may include the following: 1  Surgery. 2  Surgery followed by chemotherapy. 3  Surgery followed by chemoradiation. 4  A clinical trial of combination chemotherapy. 5  A clinical trial of chemotherapy and targeted therapy, with or without chemoradiation.