Prostate Contouring Uncertainty in Mega-Voltage Computed Tomography (MVCT) Images Acquired with a Helical Tomotherapy Unit During Image-Guided Radiation Therapy (IGRT)
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W Song*1, B Chiu2, G Bauman1, M Lock1, G Rodrigues1, R Ash1, C Lewis1, A Fenster2, J Battista1, J Van Dyk1, (1) London Regional Cancer Program, London, Ontario, CA, (2) Imaging Research Laboratories, Robarts Research Institute, London, Ontario, CA