The Impact of Portal Imager Shifts and the Assumption of Rigid Isocentricity On Megavoltage Cone Beam CT Images
Byline
O Morin*1, S Bose2, J Chen1, M Aubin1, J Pouliot1, (1) UCSF Comprehensive Cancer Center, San Francisco, CA, (2) Siemens Oncology Care Systems, Concord, CA