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Keywords: intensity modulation
MO-F-202-2Bridging the Gap in Access to Radiotherapy in Low- and Middle-Income Countries Using a Co-Compensator Based IMRT Device: A Treatment Planning System Study of Head & Neck and Cervical Cases
B Sengupta1*, K Oh2, P Zaki3, P Sponseller4, C Cardenas5, L Court6, E Ford7, (1) University of Washington, Seattle, WA, (2) University of Washington, Sugar Land, TX, (3) University Of Washington, ,,(4) University of Washington, Seattle, WA, (5) The University of Alabama at Birmingham, Birmingham, AL, (6) UT MD Anderson Cancer Center, Houston, TX, (7) University of Washington, Seattle, WA
PO-GePV-M-133IGRT Registration Errors Comparisons and the Effects On the Dosimetric Analysis for IMRT in Nasopharyngeal Carcinoma
J Lian1,2, S Huang1, W Zheng1,3, E Li4, T Wen2, X Yang1*, (1) Sun Yat-sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, Guangdong province, 510060, China,(2) Department of Radiation Oncology, The First Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine, Guangzhou, Guangdong province, 510405, China, (3) Department of Radiation Oncology, Southern Theater Air Force Hospital of the People's Liberation Army, Guangzhou, Guangdong province, 510050, China, (4) Guangzhou Xinhua College, Guangzhou, Guangdong, 510520, China
PO-GePV-T-218Comparison of TrueBeam Portal Dosimetry Results Across a Large Health System
J Donaghue1*, S Gajdos2, L Muhieddine Mossolly3, (1) Cleveland Clinc Fairview, Rocky River, OH, (2) Cleveland Clinic Akron General, Strongsville, OH, (3) Cleveland Clinic Foundation, Strongsville, OH
PO-GePV-T-222Investigating a Correlation Between MLC Positional Errors and IMRT QA Passing Rate
Ahmed E. Yousif1,4, Mahmoud H. Abdelgawad2, Ahmed Eldib2,3*, Somia M. El-Sayed4, M. S. Talaat1, (1) Physics Department, Faculty Of Science, Ain-shams University, Cairo, Egypt(2) Physics Department, Faculty Of Science, Al-Azhar University, Cairo, Egypt(3) Fox Chase Cancer Center, Philadelphia, PA, USA (4) Radiation Oncology Department, Faculty Of Medicine, Ain-shams University,Cairo, Egypt
PO-GePV-T-239Per-Fraction Deviation in Logfile Parameters Reported in a Single VMAT Arc
M Snyder1*, D To1, D Drake1, J Liang1, D Lack2, (1) Beaumont Health, Royal Oak, MI, (2) Beaumont Health, Troy, MI
PO-GePV-T-242Identifying Poor SBRT Plan Performance Using IMRT QA and Complexity Metrics
M Glenn*, E Ford, M Kim, University of Washington, Seattle, WA
PO-GePV-T-353Study On the Possibility of An Intensity Modulation Technique Using a Scanning X-Ray Pencil Beam Based On Monte Carlo Simulation
C Guo*, K Men, Y Hu, Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, BeijingCN,
PO-GePV-T-354A New Generation Co-IMRT Device for Low- and Middle-Income Countries: The Effect of Co-Source Size On IMRT Plan Quality for Head and Neck Cases
B Sengupta1*, A Shulman2, K Oh3, P Sponseller4, C Cardenas5, L Court6, E Ford7, (1) University of Washington, Seattle, WA, (2) Rayos Contra Cancer, (2) UCHealth in Colorado Springs, Colorado Springs, TN, (3) University of Washington, Sugar Land, TX, (4) University of Washington, Seattle, WA, (5) The University of Alabama at Birmingham, Birmingham, AL, (6) UT MD Anderson Cancer Center, Houston, TX, (7) University of Washington, Seattle, WA
PO-GePV-T-357External Beam Alternatives to Vaginal Cuff Brachytherapy
Z Carter1, J Fang2, X Li3*, (1) Georgia Institute of Technology, Atlanta, GA, (2) Ascension Saint Thomas Rutherford Hospital, Murfreesboro, TN, (3) University of Utah, Salt Lake City, UT
PO-GePV-T-388Knowledge Based Planning (KBP) as a Clinical Solution for Stereotactic Radiosurgery Cases (SRS) for Multiple Brain Metastases
K Guida, F Wang, G Gan, J Patel, O Trejo*, H Li, H Jiang, University of Kansas Cancer Center, Kansas City, KS
PO-GePV-T-394Analysis of Dose Drop Off Distance From Planning Target Volume Edge to 50% for Small Volume Tumors with Different Techniques
Aswathi Raj1,2*, D Khanna1, HRIDYA V T 1,2, Mohandass P3, Sathish P2, (1) Karunya Institute of Technology and Sciences, Coimbatore, TN, IN, (2) Aster MIMS,Calicut ,Kerala,IN (3) Fortis Hospital, Mohali, PB, IN.
SU-H300-IePD-F5-2Assessment of CBCT-Based Adaptive Intensity Modulated Proton Therapy (IMPT) Using Automated Planning for Head and Neck Cancer
Y Xu*, N Dogan, K Padgett, M De Ornelas, University of Miami, Miami, FL
SU-H400-IePD-F4-2Improving Conformality and Homogeneity with Intensity Modulated Electron FLASH Radiotherapy
M Rahman1, K Erhart2, D Gladstone3, P Bruza4, C Thomas5, L Jarvis6, J Hoopes7, B Pogue8, R Zhang9*, (1) Dartmouth College, Hanover, NH, (2) .decimal LLC, Sanford, FL, (3) Dartmouth College, Hanover, New Hampshire, (4) Dartmouth College, Hanover, NH, (5) Dartmouth-Hitchcock Medical Center, ,,(6) Dartmouth-Hitchcock Med. Ctr., Lebanon, NH, (7) Dartmouth College, Hanover, NH, (8) University of Wisconsin-Madison, Madison, WI, (9) Dartmouth-Hitchcock Med. Ctr., Lebanon, NH
SU-K-207-3Development of a Novel MRI-Compatible Applicator for Intensity Modulated Rectal Brachytherapy
A Thibodeau-Antonacci1, T Vuong2, B Liontis3, F Rayes3, S Pande4, S Abbasinejad Enger1,4 (1) Medical Physics Unit, Department of Oncology, McGill University, Montreal, Quebec, CA (2) Department of Radiation Oncology, Jewish General Hospital, McGill University, Montreal, Quebec, Ca (3) Pega Medical, Laval, Quebec, Ca (4) Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec, Ca
TU-F115-IePD-F7-3Is SBRT Treatment for Central/Ultra-Central Lung Tumor a Feasible Option On Ring-Gantry Halcyon Linac?
S McCarthy*, M Bernard, W St Clair, M Kudrimoti, D Pokhrel, University of Kentucky, Lexington, KY
TU-I345-IePD-F4-2Planning Strategies for Whole Head-And-Neck Radiation with Robustness Against Shoulder Motion Using Volumetric-Modulated Arc Therapy
J Cammin1*, T Bouton2, E Chacko3, E Paranada4, B Zhang5, S Chen6, J Molitoris7, B Yi8, (1) University of Maryland, Baltimore, MD, (2) Maryland Proton Treatment Center, ,,(3) Maryland Proton Treatment Center, ,,(4) University of Maryland Medical Center, ,,(5) University of Maryland School of Medicine, Baltimore, MD, (6) University of Maryland School of Medicine, Baltimore, MD, (7) University of Maryland School of Medicine, Baltimore, ,(8) University of Maryland School of Medicine, Baltimore, MD

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