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| MO-I345-GePD-F4-6 | Does the Robustness of PBS Proton Therapy of Prostate Cancer Depend On Beam Spot Size and Intensity Modulation? M Moteabbed*, J Efstathiou , H Lu , Massachusetts General Hospital, Boston, MA |
| MO-I345-GePD-F7-1 | A Template Based Automation Method for Optimization Using a Commercial Treatment Planning System X Huang1*, B Zhao2 , Y Zhou3 , H Quan4 , Y Chen5 , (1) School of Physics and Technology,Wuhan University,Wuhan,Hubei (2) Departments of Radiation Oncology, Peking University First Hospital,Beijing (3) Elekta Instrument,Shanghai (4) School of Physics and Technology,Wuhan University,Wuhan,Hubei (5) Elekta Instrument,Beijing |
| MO-I345-GePD-F7-2 | Energy-Based Inverse Optimization Sensitivity to IMRT Delivery Parameters in NSCLC I Mihaylov*, M De Ornelas , I Mihaylov , University Miami, Miami, FL |
| SU-E-209-3 | Automating Beam Orientation Optimization for IMRT Treatment Planning: A Deep Reinforcement Learning Approach O Ogunmolu1,2*, D Nguyen1, C Shen1, X Jia1, W Lu1, N Gans2, S Jiang1, (1) Medical Artificial Intelligence and Automation Laboratory, UT Southwestern Medical Center, Dallas, TX, (2) Sensing, Robotics, Vision, Control and Estimation Laboratory, University of Texas at Dallas, Richardson, Texas |
| SU-E-DBRA-2 | Dosimetric Evaluation of the Treatment of Multiple Brain Metastases: Multiple Target with Single Isocenter Versus Single Target Per Isocenters A Qureshi*, D Pearson , D Elliottt , University of Toledo, Toledo, OH |
| SU-E-KDBRA1-7 | Superiority of Hybrid-VMAT Planning Over 3D and VMAT Techniques for Whole Breast Radiotherapy with a Simultaneously-Integrated Boost (WBRT+SIB) K Guida*, A Brito Delgado , S Howard , N Neba , L Henry , M Thompson , K Qamar , University of Kansas Health System, Kansas City, KS |
| SU-F-KDBRA1-2 | Biological Comparison of Targeted Marrow Irradiation and Total Body Irradiation by the Generalized Equivalent Uniform Dose (gEUD) G Warrell*, V Colussi , W Swanson , D Mansur , G Pereira , University Hospitals Cleveland Medical Center, Cleveland, OH |
| SU-F-KDBRC-6 | Efficacy of Delivery QA-Free Adaptive Radiotherapy R Pappafotis*, B Rabatic , T Zhu , J Dooley , R Li , A Wang , R Chen , S Das , J Lian , University of North Carolina, Chapel Hill, NC |
| SU-H300-GePD-F4-5 | What Did a Large Cohort Study for Clarkson-Type Secondary Check Find? H Tachibana*, National Cancer Center EPOC, Kashiwa |
| SU-I-GPD-E-19 | Investigation of Physical Penumbra Definition in IMRT Applications h alipour , K Hadad*, Shiraz University, Shiraz, Fars |
| SU-I-GPD-J-51 | Interobserver Variations in the Delineation of Target Volumes and Organs at Risk and Their Impact On Dose Distribution in Intensity-Modulated Radiation Therapy for Nasopharyngeal Carcinoma Y Peng*, L Chen , G Shen , J Yao , L Yang , J Li , W Cheng , Y Guan , H Xia , S Liu , X Deng , Sun Yat-sen University Cancer Center, Guangzhou, Guangdong |
| SU-I-GPD-P-57 | Feasibility of Dose Escalation Based On Geometric and Biological Predictions of Tumor Response to Radiotherapy for Non-Small-Cell Lung Cancer L Kuo*, P Zhang , A Rimner , J Deasy , Memorial Sloan Kettering Cancer Center, New York, NY |
| SU-I-GPD-T-75 | The Impact of Intra-Fractional Motion On Dose Distributions in Lung IMRT M Chetvertkov*, O Vassiliev , J Yang , H Wang , Z Liao , R Mohan , UT MD Anderson Cancer Center, Houston, TX |
| SU-I-GPD-T-78 | Whole-Body Dose Equivalent Including Neutrons Is Similar for 6MV and 15MV IMRT, VMAT, and 3D Conformal Radiotherapy P Hauri1,2*, U Schneider1,2, (1) Radiotherapy Hirslanden, Hirslanden Medical Center, Zuerich, Switzerland, (2) Department of Physics, University of Zurich, Zurich, Switzerland |
| SU-I-GPD-T-94 | Dosimetric Comparison of Proton and Brainlab IMRT Plans for Small Brain Tumors K Depew*, O Algan , S Ahmad , H Jin , Oklahoma university Health Science Ctr., Oklahoma City, OK |
| SU-I-GPD-T-124 | Dosimetric Comparison of Radiotherapy Plans Using Proton Therapy, VMAT and Static IMRT for Chemoradiation Therapy of Esophageal Cancer B Liu1*, N Biswal1 , X Wang1 , K Nie1 , A Zhang1 , N Yue1 , S Jabbour1 , Y Zhang1 , (1) Rutgers Cancer Institute of New Jersey, New Brunswick, NJ |
| SU-I-GPD-T-125 | Skin Sparing Optimization Method Utilizing Intensity Modulated Proton Therapy (IMPT) in Breast Cancer Therapy J Yu*, K Greco , A Gutierrez , C McKenzie , M Mehta , M Fagundes , Miami Cancer Institute, Miami, FL |
| SU-I-GPD-T-126 | A Novel Classification Method of Hybrid Proton PBS Plans Using DVH Based Metrics A Panchal1*, L Lima2 , A Liu2 , D Hecksel1 , (1) Northwestern Medicine Chicago Proton Center, Warrenville, IL, (2) Illinois Mathematics and Science Academy, Aurora, Illinois |
| SU-I-GPD-T-189 | A Novel Prediction of MLC Leaf Positioning Accuracy Based On Artificial Neural Network B Min1*, H Nam1 , W Cheon2 , Y Han2 , H Lee1 , Y Kim1 , I Jeong1 , S Bang1 , J Park1 , (1) Department of Radiation Oncology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul (2) Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul |
| SU-I-GPD-T-196 | Photon Beam Energy Dependence On IMRT QA for Brain Treatment Plan in Radiotherapy I Khan1 , B Tahir1 , M Rafique1 , T Iqbal1 , A Zahoor1,2 , J Rehman3 , K Iqbal2 , J Chow4*, (1) University of Gujarat, Gujrat, Pakistan, (2) SKMH&RC, Lahore, Pakistan, (3) BUITEMS, Quetta, Pakistan, (4) Princess Margaret Cancer Centre, Toronto, ON |
| SU-I-GPD-T-199 | A Comparative Study of Head & Neck VMAT QA Using ArcCheck and MapPhan Diode Detector Array Systems J Zhang*, J Rahimian , S Lee , W Lien , J Han , D Kim , K Goldman , S Lu , G Hong , Y Qian , Southern California Permanente Medical Group, Los Angeles, CA |
| SU-I-GPD-T-200 | Investigating Causes to Unexplained Failures in IMRT QA A Uejo*, J Gagneur , E Clouser , Mayo Clinic Arizona, Phoenix, AZ |
| SU-I-GPD-T-217 | Evaluation of the Effect of the Target and the Overlap Volume of the Organ On the Automatic Optimization of the Knowledge-Based IMRT Plan for Cervical Cancer C Ma1*, (1) Shandong Cancer Hospital and Institute, Jinan, Shandong Province |
| SU-I-GPD-T-218 | Reduction of Hotspots in the Treatment Margin Between GTV and PTV in IMRT Plans G Narayanasamy*, X Zhang , E Galhardo , S Morrill , T Kim , S Maraboyina , J Penagaricano , Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, AR |
| SU-I-GPD-T-232 | Monte Carlo Verification of Jaws-Only IMRT Dose Distributions From Prowess Panther System On Octavius 4D Phantom T Tai1,3 , N Son2 , T Loan3 , L Oanh4 , J Chow5*, (1) Dongnai General Hospital, Bien Hoa, Vietnam, (2) Chi Anh Medical Technology Co.,Ltd., Ho Chi Minh, Vietnam, (3) University of Science, Ho Chi Minh, Vietnam, (4) Nguyen Tat Thanh University, Ho Chi Minh, Vietnam, (5) Princess Margaret Cancer Centre, Toronto, ON |
| SU-I-GPD-T-272 | Comparison of Dose Calculation Algorithms Between Acuros XB and Anisotropic Analytical Algorithm in RapidArc Plans for High-Grade Glioma T Takizawa1*, S Tanabe1 , S Utsunomiya2 , N Kushima1 , A Ohta1 , H Saito3 , T Nakano3 , E Abe3 , M Kaidu3 , H Aoyama3 , (1) Niigata University Medical and Dental Hospital, Niigata, Niigata, (2) Graduate School of Health Sciences, Niigata University, Niigata, Niigata, (3) Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Niigata |
| SU-I-GPD-T-283 | Evaluation of a Treatment Planning System for CyberMat Beam Delivery A Eldib1*, L Chen1 , J Fan2 , T Giaddui3 , M Abdelgawad4 , C Ma1 , (1) Fox Chase Cancer Center, Philadelphia, PA, (2) University of South Alabama, Mobile, AL, (3) US Oncology Network, Indianapolis, IN, (4) Biophysics branch, department of physics, faculty of science, AlAzhar university, Cairo, Egypt |
| SU-I-GPD-T-296 | Applying Two RapidPlan Models Trained On Different Techniques and MLC-Types to IMRT Plans: A Dosimetric Evaluation Y Lei1*, A Granatowicz2 , T Diener1 , A Smith1 , S Wang1 , D Zheng1 , M Hyun1 , Q Fan1 , C Enke1 , A Wahl1 , C Zhang1 , N Bennion1 , S Zhou1 , (1) University of Nebraska Medical Center, Omaha, NE, (2) Nebraska Medicine, Omaha, NE |
| SU-I-GPD-T-336 | A MLC Leaf Sequencing Algorithm Restricted by the Shape of Aperture for IMRT J Jing1,2 , H Lin1 , B Zhang1 , J Chow2*, (1) Hefei University of Technology, Hefei, China, (2) Princess Margaret Cancer Centre, Toronto, ON |
| SU-I-GPD-T-345 | Monte Carlo Study of a Novel Compensator for IMRT in Low and Middle Income Countries D Toomeh1*, S Gadoue2 , N Fong1 , G Subrahmanyam3 , M Tamilarasan3 , K Govindarajan4 , E Ford1 , (1) University of Washington, Seattle, WA, (2) Loma Linda University Medical Center, Loma Linda, CA, (3) Panacea Medical Technologies, Bangalore, India, (4) PSG Hospital, Coimbatore, India |
| SU-I-GPD-T-354 | Effect of Radiation Treatment Technique On Clinical Outcome of Small Cell Lung Cancer Patients T Podder1*, A Dey2 , T Biswas1 , (1) University Hospitals Seidman Cancer Center, Cleveland, OH, (2) University of Akron, Akron, OH |
| SU-I-GPD-T-373 | Experimental Validation of SRS VMAT in Small Volumes. Tolerance Criteria for Plan-Specific QA Verification M Adria-Mora1*, N Carrasco Vela1 , J Bonaque Alandi1 , F Ballester2,3 , J Gimeno Olmos1,3 , V Carmona Meseguer1,3 , F Lliso Valverde1,3 , J Perez-Calatayud1,3 , (1) Hospital Universitari i Politecnic La Fe, Valencia, Spain (2) University of Valencia, Burjassot, Spain (3) Grupo de Investigacion en Fisica Medica IRIMED, UV - Hospital La Fe, Valencia, Spain |
| SU-I-GPD-T-398 | Results of Beta Testing the New VMAT Module in Elements Cranial SRS Software for Radiosurgery Planning A Bertinetti*, G Luo , G Ding , Vanderbilt University, Nashville, TN |
| SU-I-GPD-T-425 | Assessment of Feasibility of Spine Stereotactic Body Radiotherapy for Re-Irradiation Patients with Metastases to More Than Two Vertebrae T Furuya*, K Ito , K Nihei , K Karasawa , Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan |
| SU-K-KDBRA1-1 | A Novel Learning Approach for Predicting MLC Positioning During Dynamic IMRT Delivery A Osman1*, N Maalej2 , K Jayesh3 , (1) American University of Beirut Medical Center, Beirut, Lebanon,(2) King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia,(3) American Hospital Dubai, Dubai, UAE |
| SU-K-KDBRA2-7 | Feasibility of a Step-And-Arc Total Marrow Irradiation (TMI) Treatment Planning T Wu*, E Pearson , B Aydogan , The University of Chicago, Chicago, IL |
| SU-L-KDBRA1-1 | A Machine Learning-Based Approach to Specify the Cause of Error in IMRT Patient Specific QA S Utsunomiya1*, M Sakai1 , H Koarai1 , T Takizawa2 , N Kushima2 , S Tanabe2 , H Aoyama3 , (1) Graduate School of Health Sciences, Niigata University, Niigata, Japan, (2) Niigata University Medical and Dental Hospital, Niigata, Japan, (3) Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan |
| TH-AB-KDBRA1-10 | Simulation and Validation of a Gantry Static Couch Motion Optimization Technique (GsCMOT): A Feasibility Study R Jakubovic*, G Gill , J Chang , Northwell Health, Lake Success, NY |
| TH-EF-KDBRA1-11 | Quantum Annealing for IMRT Optimization J Pakela*, I El Naqa , University of Michigan, Ann Arbor, MI |
| TU-C1000-GePD-F7-3 | Optimization of Multi-Modality Proton-Photon Treatments S Fabiano1*, M Bangert2 , N Andratschke1 , M Guckenberger1 , J Unkelbach1 , (1) University Hospital Zurich, Zurich, Switzerland, (2) German Cancer Research Centre, Heidelberg, Germany |
| TU-C1030-GePD-F4-4 | Initial Investigation of the SX1 Dual-Layer Multileaf Collimator Tongue-And-Groove Effect TY Lim*, E Flores-Martinez , X Fave , S AM Lloyd , I Dragojevic , D Hoffman , T Atwood , K L Moore , G Kim , UC San Diego, La Jolla, CA |
| TU-C1030-GePD-F6-3 | Evaluation of a Transmission Detector On IMRT QA Using Structure Similarity Index (SSIM) C Shi*, S Lim , M Chan , Memorial Sloan-Kettering Cancer Center, Basking Ridge, NJ |
| TU-E115-GePD-F7-2 | Dose Perturbations From Esophageal Stents in Volumetric Modulated Arc Therapy R Kosztyla1*, C Duzenli1 , B Nasir2 , S Lefresne1 , (1) BC Cancer - Vancouver, Vancouver, BC, (2) Centre Hospitalier de l'Universite de Montreal, Montreal, QC |
| TU-K-DBRA-5 | Energy Modulated Radiation Therapy (EMRT), a New Paradigm in Radiotherapy R Shaw*, S Luan , Department of Computer Science, University of New Mexico, Albuquerque, NM |
| TU-K-DBRA-6 | Sparse Orthogonal Collimator with Rectangular Aperture Optimization for Small Animal IMRT K Woods1*, D Nguyen2, R Neph1, D O'Connor1, S Boucher3, K Sheng1, (1) UCLA School of Medicine, Los Angeles, CA, (2) UT Southwestern Medical Center, Dallas, TX, (3) RadiaBeam Technologies, Santa Monica, CA |
| WE-C1030-GePD-F9-6 | Use of Passive Intensity Modulation for Bolus Electron Conformal Therapy R Carver1,2*, E Chambers2 ,E Hilliard2 , K Erhart3, K Hogstrom1,2 , (1) Mary Bird Perkins Cancer Center, Baton Rouge, LA, (2) LSU Dept. of Physics & Astronomy, Baton Rouge, LA, (3) .decimal, LLC Sandford, FL 32771 |
| WE-FG-DBRA-6 | Highly Efficient and Robust Autonomous VMAT/IMRT Planning Enabled by a Novel Dose and Anatomy Features-Driven Downsampling Voxelization Scheme Y Yang*, L Xing , Stanford Univ, School of Medicine, Stanford, CA |