Visibility of Internal Target Volume of Dynamic Tumors in Free-breathing Cone-beam Computed Tomography for Image Guided Radiation Therapy

220 This project is partially supported by the Clinical & Translational Research Institute Pilot Innovative Technology Grant provided through the University of California San Diego. There are no conflicts of interest for the remaining authors. Submitted November, 5, 2013, Accepted December, 5, 2013 Corresponding Author: William Y. Song, Center for Advanced Radiotherapy Technologies and Department of Radiation Medicine and Applied Sciences, University of California San Diego, Rebecca and John Moores Comprehensive Cancer Center, 3855 Health Sciences Drive #0843, La Jolla, CA 92093-0843, USA Tel: 1-858-246-0886, Fax: 1-858-822-5568 E-mail: wysong@ucsd.edu Visibility of Internal Target Volume of Dynamic Tumors in Free-breathing Cone-beam Computed Tomography for Image Guided Radiation Therapy

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