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Taxonomy: TH- External beam- photons: extracranial stereotactic/SBRT

SU-H300-GePD-F7-3Comparison of Collapsed Cone Convolution Superposition and Monte Carlo Dose Calculations for Spine SBRT Dose
H Parenica*, J Rembish , D Saenz , K Rasmussen , N Kirby , Z Shi , Y Li , M Fakhreddine , R Crownover , C Ha , N Papanikolaou , S Stathakis , UT Health San Antonio, San Antonio, TX
SU-H430-GePD-F7-1Dosimetric Performance of a New Ring Gantry Linear Accelerator for the Stereotactic Body Radiation Therapy Treatment of Prostate Cancer
F Li*, P Teo , R Lalonde , D Clump , D Heron , M Huq , UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA
SU-I-GPD-J-11Dosimetric Evaluation of Spine Stereotactic Body Radiation Therapy Setup Error
G Beninati*, J Barbiere , A Ndlovu , Hackensack University Medical Center, Hackensack, New Jersey
SU-I-GPD-P-40Benchmarking Non-Coplanar Stereotactic Body Radiation Treatment (SBRT) VMAT Techniques for Early-Stage Glottic Laryngeal Cancer
T Chiu*, Y Zhang, Z Tian, P Lee, X Gu, D Sher, B Zhao, UT Southwestern Medical Center, Dallas, TX
SU-I-GPD-T-165A Quantitative Approach to Analyze the Necessity of Robust Optimization for IMRT and VMAT Treatments of Lung SBRT
Y Wang*, S Zieminski , Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
SU-I-GPD-T-251Gradient Index in IMRT and SBRT: Implication in Organ Sparing
A Andersen1*, H Wang2 , P Schiff3 , K Hu4 , I Das5 , (1) Renown Health, Reno, NV, (2-5) NYU Langone Health, New York, NY
SU-I-GPD-T-364Can We Change the Acceptance Criteria for the IROC Lung Phantom Used for Credentialing Purposes?
P Alvarez*, A Molineu , P Taylor , T Nguyen , H Mehrens , N Pajot , D Followill , UT MD Anderson Cancer Center, Houston, TX
SU-I-GPD-T-390Knowledge-Based Planning for Cardiac Stereotactic Body Radiation Therapy Decreases Mean Dose Values to Normal Heart Tissue Without Compromising Target Coverage in the Treatment of Ventricular Tachycardia
P Samson*, S Goddu , J Hilliard , N Knutson , G Hugo , P Cuculich , C Robinson , Washington University, St. Louis, MO
SU-I-GPD-T-394Plan Evaluation of Lung SBRT with Multiple Lesions: Single-Isocenter Versus Multiple-Isocenters
V Chanyavanich*, D Carter , J Bailey , Rocky Mountain Cancer Centers, Aurora, CO
SU-I-GPD-T-397Assessment of Pinnacle's ScoreCard for SBRT Treatment Plan Evaluations
C Esquivel*, L Patton , R McInturf , T Dziuk , Texas Oncology-San Antonio, San Antonio, TX
SU-I-GPD-T-400The Analytical Hierarchy Process (AHP) to Score Plan Quality of Lung SBRT Treatment Plans
A Brito Delgado1*, Z Shi2 , K Rasmussen3 , T Medrano Pesqueira4 , K Kauweloa5 , D Cohen6 , T Eng7 , N Kirby8 , D Saenz9 , S Stathakis10 , N Papanikolaou11 , A Gutierrez12 , (1) University of Kansas Medical Center, Kansas City, KS, (2) UT Health San Antonio, San Antonio, TX, (3) UT Health San Antonio, San Antonio, TX, (4) Centro Oncologico del Estado de Sonora, Hermosillo, Sonora, (5) University of Kansas Medical Center, Kansas City, KS, (6) UT Health San Antonio, San Antonio, Texas, (7) UT Health San Antonio, San Antonio, Texas, (8) UT Health San Antonio, San Antonio, TX, (9) UT Health San Antonio, San Antonio, TX, (10) UT Health San Antonio, San Antonio, TX, (11) UT Health San Antonio, San Antonio, TX, (12) Miami Cancer Institute , Miami, FL
SU-I-GPD-T-403Dose Rate Dosimetric Effects During the 6 MV Flattening Filter Free RapidArc-Based Stereotactic Body Radiation Therapy On Lung
N Dumitru1*, M Pudasaini1 , S Pella1,2 , T Leventouri1 , (1) Florida Atlantic University, Boca Raton, Florida, (2) 21st Century Oncology, Boca Raton, FL
SU-I-GPD-T-406Dosimetric Impact of BodyFix Immobilization System for Stereotactic Body Radiation Therapy
S Srivastava1,2*, S Jani1,2 , D Pinnaduwage1,2 , X Yan1,2 , P Metuge1,2 , D Castaneda2 , S Patel2 , N Thawani2 , S Mutyala2 , I Das3 , S Sorensen1,2 , (1) Barrow Neurological Institute, Phoenix, AZ, (2) University of Arizona Cancer Center \ Dignity Health, St. Joseph's Hospital, Phoenix, AZ, (3) NYU Langone Medical Center, New York, NY,
SU-I-GPD-T-408Comparison of Lung SBRT Planning and Delivery Methods in the Presence of Significant Respiratory Motion
B Rasmussen*, X Du , UP Health System Marquette General Hospital, Marquette, MI
SU-I-GPD-T-425Assessment 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-I-GPD-T-426Dynamic Conformal Arc Therapy for Lung and Liver SBRT
S Stathakis1*, A Licon1 , D Saenz1 , N Kirby1 , K Rasmussen1 , R Crownover1 , Y Li1 , P Mavroidis2 , N Papanikolaou1 , (1) University Of Texas Health, San Antonio, TX, (2) university North Carolina, Chapel Hil, NC
SU-L-209-7A Planning Technique to Lower the Dose Spillage in Lung SBRT Plans Based On RTOG-0915 Metrics
G Narayanasamy1*, E Galhardo1 , D Desai2 , X Zhang1 , S Morrill1 , T Kim1 , S Maraboyina1 , L Peacock1 , J Penagaricano1 , (1) University of Arkansas for Medical Sciences, Little Rock, AR, (2) Northside Hospital, Atlanta, GA
TU-AB-205-4Sequential Monoscopic Image Guided Motion Compensation in Tomotherapy Stereotactic Body Radiotherapy (SBRT)
L Lu*, E Chao , S Chang , T Zhu , A Wang , J Lian , UNC School of Medicine, Chapel Hill, NC
TU-C1030-GePD-F7-1Characterization of RTOG Dose Spillage Constraints in VMAT Lung SBRT
D Desai*, S Srinivasan , H ElAsmar , Memorial Health Care System, Chattanooga, TN
TU-C1030-GePD-F7-3Dosimetric Differences in Non-Coplanar Vs Coplanar Treatment of SBRT of Lung Lesion with VMAT Do Not Yield Differences in Clinically Observable Outcomes
L Sanford*, J Molloy , R McGarry , M Randall , D Pokhrel , University of Kentucky, Lexington, KY
TU-C1030-GePD-F7-6Retrospective Multi-Clinic Analysis of the Relationship Between Dose Gradient and PTV Volume for Lung SBRT Patients Treated with a Coplanar VMAT Technique
I Dragojevic , D Hoffman , J Hoisak , R Manger*, UC San Diego, La Jolla, CA
TU-E115-GePD-F9-1A Study of Tumor Dose Coverage for ITV-Based Lung SBRT
L Huang*, V Sarkar , A Paxton , H Zhao , Y Huang , M Szegedi , P Rassiah-Szegedi , F Su , G Nelson , B Salter , University Utah, Salt Lake City, UT
TU-E115-GePD-F9-4Evaluating the Plan Quality and Treatment Efficiency for Single-Isocenter/Two-Lesion Lung SBRT
L Sanford*, J Molloy , R McGarry , D Pokhrel , University of Kentucky, Lexington, KY
TU-E115-GePD-F9-6Which One to Pick? Dm Or Dw for Stereotactic, Single Dose Irradiation of Spine Metastases?
S Lachowicz*, D Pokhrel , University of Kentucky, Lexington, KY
TU-I345-GePD-F3-5Quantitative Evaluation of a Fully Automated, Patient-Specific Spine Stereotactic Body Radiotherapy Planning Routine
B Ziemer*, O Morin , University of California San Francisco, San Francisco, CA
WE-C1030-GePD-F3-2Dosimetric Differences Between Ray-Tracing and Monte Carlo Algorithms in Early Stage Lung Cancer Patients with Marginal Failures After SBRT
E Pryser*, KA Pearlstein, L Rankine, K Wang, B Mullins, J Holmes, LB Marks , AA Weiner, University of North Carolina, Chapel Hill, NC
WE-C1030-GePD-F9-3Development of Four-Dimensional Dose Calculation Method for Respiratory-Gated Radiotherapy by Using Real-Time Tumor Tracking System in Lung
R Onizuka1*, T Shiinoki2 , Y Yuasa1 , K Fujimoto1 , (1) Yamaguchi University Hospital, Ube, Yamaguchi, (2) Yamaguchi University, Ube, Yamaguchi,
WE-C930-GePD-F4-6Patient Specific Quality Assurance for GammaPod: A Novel Dedicated Breast Stereotactic Radiosurgery Device
S Becker1*, Y Niu2 , Y Mutaf3 , C Yu1,2 , Y Poirier1 , S Feigenberg4 , E Nichols1 , B Yi1 , (1) university of Maryland School Of Medicine, Baltimore, MD, (2) Xcision Medical Systems, Columbia, MD, (3) Boston University Medical Center, Boston, MA, (4) University of Pennsylvania, Philadelphia, Pennsylvania