S1369
Interdisciplinary - Global health
ESTRO 2026
for MPs at the Spizhenko Clinic. Twelve RO/MP/RTT professionals participated in 2-week observerships at Södersjukhuset and Akademiska Sjukhuset in Sweden, and three attended ESTRO 2025 in Vienna. Virtual training included RCC-led courses on transitioning from 2D to 3D RT, treatment plan evaluation, and head and neck contouring, as well as HUG-led SBRT, brachytherapy, and research methodology courses in collaboration with ASTRO, AAPM, and ABS. ESTRO also provided 40 free FALCON contouring course registrations. The full-day RT sessions were organized by HUG and delivered at the OncoHUB UpToDate 6.0 national oncological conference, with 163 RO/MP/RTT participants. The overall program evaluation included pre- and post-course tests to assess knowledge gains and satisfaction surveys (1–10 scale) following each training activity. Results: A total of 1,079 training participations across 37 RT centers were recorded across all formats, though some individuals attended multiple activities: 777 via virtual courses, 124 in on-site workshops, 12 in international observerships, and 166 through conference activities. Virtual training participants demonstrated a 47.3% average improvement in test scores, with a mean satisfaction score of 9.8/10. On- site workshop participants showed a 29.7% average improvement in test scores and rated the experience 10.0/10. Observership participants also rated their experience highly (9.8/10), reporting acquisition of new clinical procedures and workflow strategies which they plan to implement and disseminate locally through training sessions and conference presentations. Conclusion: This comprehensive training model effectively strengthened Ukraine’s RT capacity amid wartime constraints. By combining local hands-on education, international exchange, and virtual learning, the program measurably improved competencies and satisfaction. Continued investment in such scalable frameworks is essential for sustaining Ukraine’s RT modernization and enhancing long-term system resilience. Keywords: Ukraine, war, support Digital Poster 3645 The First Quantification of the Carbon Footprint of Radiotherapy Delivery in Africa: A Multi- Institutional Comprehensive Life Cycle Assessment Phylicia Dzifa Odume 1 , Charles Akoto-Aidoo 2 , Tyler Jones 3 , Maiying Kong 3 , Katie E Lichter 4 , Idalid Franco 5 , Jerry J Jaboin 6 , Aba A Scott 7 , Meritxell Mallafre-Larrosa 8 , Alfredo Polo 8 , Osama Mohammad 9 , Surbhi Grover 10 , Verna Vanderpuye 2 , Shearwood McClelland III 6
Digital Poster 3584
Building Resilience and Modernizing Radiation Therapy in Ukraine Through Comprehensive Education and International Collaboration Yuliia Lozko 1,2 , Ruslan Zelinskyi 1,2 , Zoia Shepil 3,2 , Serhii Brovchuk 3,4 , Anna Riby 5 , Anastasia Flanagan 5 , Kateryna Pavelko 5 , Maria Winemar 6 , Anna-Pia Margareta Ternström 7 , Philippe Fortier 8 , Aldijana Osmanagic 8 , Luca Boldini 9 , Zachary Morris 10 , Alexandra Diaz 11 , Mitchell Kamrava 12 , Natalka Suchowerska 13,2 , Viktor Iakovenko 14,2 , Emily Kruse 15 , Ben Li 16,15 , Nataliya Kovalchuk 17,2 1 Radiation Oncology, National Cancer Institute, Kyiv, Ukraine. 2 N/A, Help Ukraine Group, San Carlos, USA. 3 Radiation Oncology, National Institute "O.O. Shalimov National Scientific Center of Surgery and Transplantology", Kyiv, Ukraine. 4 Radiation Oncology, LISOD Israeli Hospital, Pliuty, Ukraine. 5 N/A, SweCare, Stockholm, Sweden. 6 Radiation Oncology, Södersjukhuset, Stockholm, Sweden. 7 Radiation Oncology, Akademiska Sjukhuset, Stockholm, Sweden. 8 N/A, Elekta, Stockholm, Sweden. 9 Radiation Oncology, Fondazione Policlinico Universitario “A. Gemelli” IRCCS, Rome, Italy. 10 Radiation Oncology, 9. University of Wisconsin-Madison, Wisconsin, USA. 11 Radiation Oncology, University of Minnesota, Minneapolis, USA. 12 Radiation Oncology, Cedar-Sinai Hospital, Los Angeles, USA. 13 Radiation Oncology, University of Sydney, Sydney, Australia. 14 Radiation Oncology, UT Southwestern Medical Center, Dallas, USA. 15 N/A, Rayos Contra Cancer, Seattle, USA. 16 Radiation Oncology, University of washington, Seattle, USA. 17 Radiation Oncology, Stanford University, Stanford, USA Purpose/Objective: The Russian invasion of Ukraine has significantly disrupted radiation therapy (RT) services, highlighting the urgent need to replace Cobalt-60 machines and modernize infrastructure and training across 43 RT centers. In response, Help Ukraine Group (HUG) and Rayos Contra Cancer (RCC), supported by SweCare, Elekta, and international partners (ASTRO, ESTRO, AAPM, ABS), launched a national RT training initiative in 2025. The program aimed to support Ukraine’s transition from 2D and Co-60–based treatment to 3D and IMRT techniques, introduce SBRT, modernize brachytherapy while building clinical, technical, and research competencies among radiation oncologists (RO), medical physicists (MP), and radiation therapists (RTT). Material/Methods: This mixed-format initiative combined on-site, virtual, and international training. In Ukraine, eight 3-day hands-on workshops were organized by HUG for RO/RTTs at the Shalimov Institute, and 15 workshops
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