A composite system for radiation therapy includes a CT scanner for checking the position of an affected portion of a patient to be irradiated, an irradiation apparatus for disposing, on the basis of positional information of the affected portion checked by the CT scanner, the patient at a specific position...http://www.google.com/patents/US20040034438?utm_source=gb-gplus-sharePatent US20040034438 - Composite system for radiation therapy
