We sought to determine the intra- and inter-radiation therapist reproducibility of a previously established matching technique for daily verification and correction of isocenter position relative to intraprostatic fiducial markers (FM).
Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, DHHS, Bldg 10, CRC Rm B2(SW) 3500, 9000 Rockville Pike, Bethesda, MD, 20892, USA. ullmank@mail.nih.gov
