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Taxonomy: TH- External Beam- Photons: Quality Assurance - Linear accelerator

PO-GePV-P-44Validation of the Varian Machine Performance Check Enhanced Couch Accuracy
J Donaghue1*, S Gajdos2, (1) Cleveland Clinic Fairview, Cleveland, OH, (2) Cleveland Clinic Akron General, Akron, OH
PO-GePV-T-223Evaluating Backscattered Radiation Into the Dose Monitor Chamber in the RefleXion X1 Using Monte Carlo Simulation
OM Oderinde*, D Zaks, C Huntzinger, SM Shirvani, A Maniyedath, T Laurence, M Lu, RefleXion Medical, Hayward, CA
PO-GePV-T-280Evaluation of Beam Data Correspondence for Five TrueBeam Linear Accelerators
S Gardner*, C Smith, B Miller, N Wen, I Chetty, Dept. of Radiation Oncology, Henry Ford Cancer Institute, Henry Ford Health System, Detroit, MI
PO-GePV-T-291The Impact of Treatment Planning System Errors On Patient Dose Delivery
F Brooks1*, M Glenn2, J Pollard-Larkin1, R Howell1, C Peterson1, C Nelson1, C Clark3, S Kry1, (1) MD Anderson Cancer Center, Houston, TX, (2) University of Washington, Seattle, WA, (3) UCLH, London, SRY, GB,
PO-GePV-T-295A Simple Method for Accurate Multi-Target Winston-Lutz Testing
G Gilson*, Abbott Northwestern Hospital, Minneapolis, MN
PO-GePV-T-299Toward Ending the Manual Annual: Lessons Learned From the Expansion of An Automated Output Quality Assurance Technique to Outside Institutions
L LeMerise1*, E Morris2, B Loughery1, (1) Wayne State University, Detroit, MI, (2) UCLA Health, Los Angeles, CA
PO-GePV-T-302API Assisted Treatment Planning System Validation for Medical Linear Accelerators
M Schmidt1,2*, N Knutson1, B Sun1, E Sajo2, P Zygmanski3, M Jandel2, J Kavanaugh1, G Hugo1, F Reynoso1, (1) Washington University School of Medicine in St. Louis, Saint Louis, MO, (2) University of Massachusetts Lowell, Lowell, MA, (3) Brigham & Women's Hospital, Boston, MA
SU-IePD-TRACK 6-4A Monte Carlo Characterization of Positional Accuracy of a Double-Focused and Double-Stack Multileaf Collimator On a 0.35 T MR-Linac
A Khan1*, E Simiele2, L DeWerd1, P Yadav3, (1) Department of Medical Physics, School of Medicine and Public Health, University of Wisconsin-Madison, (2) Department of Radiation Oncology, Stanford University School of Medicine, (3) Department of Human Oncology, School of Medicine and Public Health, University of Wisconsin,
WE-IePD-TRACK 3-7First Beam QA and Commissioning Report of a Novel Biology-Guided Radiotherapy (BgRT) System
B Han1*, N Kovalchuk1, D Capaldi1, E Simiele1, A Purwar2, J White2, D Zaks2, L Vitzthum1, D Chang1, L Xing1, M Surucu1, (1) Stanford University School of Medicine, Stanford, CA, (2) RefleXion Medical, Hayward, CA
WE-IePD-TRACK 5-5The Lifetime of a Monitor Unit Ion Chamber
A Cetnar*, D DiCostanzo, The Ohio State University - James Cancer Hospital, Columbus, OH