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| MO-AB-SAN1-1 | Characterization of Positional Accuracy of a Double-Focused and Double-Stack Multileaf Collimator On An MR-Guided Radiotherapy (MRgRT) Linac Using An IC-Profiler Array K Mittauer*, P Yadav , B Paliwal , J Bayouth , School of Medicine and Public Health UW-Madison, Madison, WI |
| MO-E115-GePD-F4-1 | A Software Tool to Harvest and Analyze MLC Log Files of the Elekta VersaHD Linear Accelerator P Myers*, C Kabat , D Saenz , K Rasmussen , N Kirby , N Papanikolaou , S Stathakis , University of Texas HSC SA, San Antonio, TX |
| MO-I345-GePD-F1-5 | Comparison of Monte Carlo Simulation and Measurement for Determination of Dosimetric Leaf Gap R Popple1*, D Sawkey2 , Y Yuan1 , R Sullivan1 , (1) The University of Alabama at Birmingham, Birmingham, AL, (2) Varian Medical Systems, Palo Alto, CA |
| MO-I345-GePD-F3-5 | Novel Characterization of the Dual Layer MLC System for the Halcyon M Kim*, D Bollinger , C Kennedy , J Zou , R Scheuermann , B Teo , J Metz , L Dong , T Li , University of Pennsylvania, Philadelphia, PA |
| MO-I345-GePD-F7-2 | Enabling Patient Transfer From Millennium to HD MLC Varian Units; Feasibility Study of a Novel Workaround H Afsharpour*, R Kaiyum, M Nielsen, K Bozzo, R Sankreacha, Peel Regional Cancer Center, Trillium Health Partners, Mississauga, ON |
| PO-GePV-P-76 | Evaluation of Multileaf Collimator Width and Beam Quality Effect On Single-Isocenter Multitarget Radiosurgery Using Volumetric-Modulated Arc Therapy S Laoui*, D Roa , J Kuo , M Baldytchev , J Gonzales , S Dietrich , N Ramsinghani , P Daroui , H Farol , University of California, Irvine, Orange, CA |
| PO-GePV-T-163 | Development of New MLC QA of Volumetric Modulated Arc Therapy Using a High Sampling Rate Log File S Nishiyama*, M Seo , K Makabe , M Kuramochi , T Suzuki , H Tomita , Dept. of Radio Technology, Saiseikai Kawaguchi General Hospital, Kawaguchi, Saitama |
| PO-GePV-T-181 | Sectional Optimization of Collimator Angles in VMAT for Multiple Brain Metastases R Nanatsue*, F Araki , T Ohno , Kumamoto University, Kumamoto, 43 |
| PO-GePV-T-222 | Assessment of Changes in VMAT Treatment Plan Delivery as a Result of Large Dose Changes Without Plan Re-Optimization M Hauze1*, Z Ouyang2 , D Wilkinson2 , (1) Cleveland State University, Cleveland, OH, (2) Cleveland Clinic Foundation, Cleveland, OH |
| PO-GePV-T-251 | Leaf Motion Calculator Effect On Sliding Window IMRT Field Complexity and Plan Quality E Laugeman*, E Pryser , M Schmidt , F Reynoso , Washington University School of Medicine in St. Louis, St. Louis, MO |
| PO-GePV-T-256 | Which One Is More Reliable in Determining Leaf Position Uncertainties: SNC Machineâ„¢ Hancock MLC Test Or AutoCALâ„¢ MLC Test K Jacobs*, C Yang , Department of Radiation Oncology, University of Mississippi Med. Center, Jackson, MS |
| PO-GePV-T-257 | Feasibility Study of Log-Based Pre-Treatment Quality Assurance Without Dry-Run Using the Deep-Learning Approach W Cheon, Y Han* , W Kim , B Min* , Chungbuk National University HospitalSeoul W Cheon1*, Y Han1,2,3 , W Kim4 , B Min 4, (1) Dept. of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, 06351, Korea, (2) Dept. of Radiation Oncology, Samsung Medical Center, Seoul, 06351, Korea, (3) Samsung Medical Center, Sungkyunkwan University SChool of Medicine, Seoul 06351, Korea, (4) Department of Radiation Oncology, Chungbuk National University Hospital, Cheongju, 28644, Korea. |
| SU-I330-GePD-F7-3 | Development of Bidirectional Leaf Sequencing Delivery Technique for Varian Medical Linear Accelerator R Kamal1*, G Singh1 , A Oinam2 , D Thaper1 , V Kumar1 , B Handa1 , (1) Centre for Medical Physics, Panjab University, Chandigarh, (2) Department of Radiotherapy, PGIMER, Chandigarh |
| SU-K-SAN1-7 | Characterization of Small Field Output Factors for a Medical Linear Accelerator with a Dual-Layer Stacked and Staggered MLC System P Irmen*, T Li , University of Pennsylvania, Philadelphia, PA |
| TH-BC-301-3 | Corrections to EPID-Based MLC QA Images Improve Sensitivity and Specificity N Koch1*, C Vanderstraeten2 , K Pearman1 , T Hayes1 , (1) Cone Health Cancer Center, Greensboro, NC, (2) Cone Health/Alamance Regional Cancer Center, Burlington, NC |
| TU-J345-GePD-F1-5 | A Computational Framework for Treatment Planning Design Framework for SBRT E Lee , Y Cao*, Georgia Institute of Technology, Atlanta, GA |
| TU-K430-CAMPUS-F3-2 | Clinical Validation of Photon Optimizer (PO) Algorithm Against Progressive Resolution Optimizer (PRO) in the Treatment of Single-Dose Lung SBRT J Visak*, J Molloy , M Randall , R McGarry , D Pokhrel , University of Kentucky, Lexington, KY |
| WE-C930-GePD-F1-2 | Effect of Leaf Size and Off-Axis Delivery On Plan Quality for Single Isocenter Multi-Lesion Plans in RayStation G Cardarelli1*, Z Saleh2 , M Schwer3 , D Cutright4 , J Kelley5 , J Brindle6 , M Rivard7 , T Roth8 , J Hepel9 , C Liu10 , E Klein11 , (1) Rhode Island Hospital / Warren Alpert Medical, Providence, RI, (2) Rhode Island Hospital / University Of Rhode Island, Providence, RI, (3) Rhode Island Hospital / Warren Alpert Medical, Warwick, RI, (4) University of Chicago Medicine, Chicago, IL, (5) UF Health Cancer Center at Orlando Health, Orlando, FL, (6) Rhode Island Hospital / Warren Alpert Medical, Providence, Rhode Island, (7) Rhode Island Hospital / Brown University, Providence, RI, (8) The Warren Alpert Medical School of Brown Univ., Providence, RI, (9) The Warren Alpert Medical School of Brown University, Providence, (10) Rhode Island Hospital, Providence, RI, (11) Rhode Island Hospital / Warren Alpert Medical, Providence, RI |
| WE-C930-GePD-F3-2 | A Simple MLC-Based 3D-Crossfire Approach for Spatially Fractionated Grid Therapy Treatment of Deep Seated Bulky Tumors M Halfman*, L Sanford , Q Chen , J Molloy , M Kudrimoti , D Pokhrel , University of Kentucky, Lexington, KY |
| WE-C930-GePD-F3-4 | Demonstration of a Novel Technique: Differential Attenuation Multi-Level MLC VMAT A Morrow*, H Chung , Baylor Scott & White Health, Temple, TX |
| WE-J-301-9 | Monte Carlo Modeling and Validation for MLC Based Electron Apertures M Kaluarachchi*, M Schwer , Z Saleh , E Klein , Rhode Island Hospital / Warren Alpert Medical School of Brown, Providence, RI |
