EORTC’s presence at ESTRO 2026
30 Apr 2026
This year’s ESTRO Congress, taking place from 15 to 19 May 2026 in Stockholm, will feature a strong scientific presence from EORTC. EORTC investigators will present multiple proffered papers and mini‑oral presentations, alongside a wide range of poster, poster‑highlight and digital‑poster contributions. In addition, EORTC will co‑lead a joint ESTRO–EORTC symposium focused on designing radiotherapy trials for future generations, and a dedicated session on ”the future of RTQA in clinical trials and beyond” symposium session.
Further details can be found in the table below.
EORTC ABSTRACTS |
|
| Clinical and treatment characteristics associated with local control following SBRT: interim analysis of ESTRO EORTC E2-RADIatE OligoCare cohort
Umberto Ricardi, Italy |
Sunday, 17 May 12:04 - 12:13
Type: Proffered Papers
A1 Plenary Presentation Number: -2986 |
| Internal Mammary and Medial Supraclavicular irradiation in stage I-III breast cancer: 20 years results of the randomised EORTC trial 22922/10925, including in pN0 patients Philip Poortmans, Belgium |
Sunday, 17 May 12:16 - 12:25 Type: Proffered Papers A1 Plenary Presentation Number: -5580 |
| Defining thresholds for clinical importance for the EORTC QLQ-PR25: improving interpretability of patient-reported outcomes in prostate cancer Samuel Vorbach, Austria |
Sunday, 17 May 17:00-18:00 Type: Proffered Papers A12 Presentation Number: -576 |
| Interim analysis of the EORTC ESTRO ReCare to assess adequacy of patient selection: Early death and adverse events after high-dose re-irradiation Nicolaus Andratschke, Switzerland |
Monday, 18 May 10:30-11:10 Type: Proffered Papers A1 Plenary Presentation Number: -3692 |
| Introducing the EORTC QLQ-ANL27, a validated anal cancer-specific health-related quality of life questionnaire Vassilios Vassiliou, Cyprus |
Monday, 18 May 10:30-11:30 Type: Proffered Papers Viktoria Presentation Number: -2449 |
| Safety and Efficacy of SBRT for Atypical Oligometastatic locations: Interim Analysis of the International ESTRO EORTC E2R OligoCare cohort
Esmee Lauren Looman, Switzerland |
Saturday, 16 May 09:00-10:00 Type: Mini-Oral A6 Presentation Number: -2505 |
| Challenges in delineation for Ewing Sarcoma of the chest wall and pelvis: results of a Euro-Ewing Consortium-QUARTET joint workshop
Maria Chiara Lo Greco, Belgium |
Saturday, 16 May 09:00-10:00 Type: Poster discussion K11 Presentation Number: -2420 |
| De-escalating RTQA in glioblastoma trials: EORTC-1709-BTG (MIRAGE) findings support narrower margins per ESTRO-EANO guidelines
Raffaella De Pietro, Belgium |
Saturday, 16 May 09:00-10:00 Type: Poster discussion K11 Presentation Number: -1248 |
| Spatially fractionated radiotherapy practice patterns – an EORTC-ESTRO SFRT Focus Group survey
Dora Correia, Switzerland |
Sunday, 17 May 10:30-11:30 Type: Poster discussion K11 Presentation Number: -1248 |
| Identifying the top 10 quality of life concerns in keratinocyte carcinoma: perspective of international patients and healthcare professionals
Agata Rembielak, United Kingdom |
Saturday, 16 May 11:15-11:30
Type: Poster highlights Poster Area Presentation Number: -3703 |
| Toward Implementation of Adaptive Radiotherapy in Paediatric Clinical Trials: A QUARTET Report on Imaging Practice and Replanning
Maria Chiara Lo Greco, Belgium |
Sunday, 17 May 10:00-11:00
Type: Poster highlights Poster Area Presentation Number: -2401 |
| Consensus by Design: Validating Frequency of Inclusion Heat Maps for Contour Agreement Analysis
Volha Hertsyk, Belgium |
Sunday, 17 May 10:45-11:30
Type: Poster highlights Poster Area Presentation Number: -1348 |
| EORTC survey on Global Practices in Breath-Hold Radiotherapy for Mediastinal Lymphoma
Maaike Berbee, The Netherlands |
Sunday, 17 May 16:30-16:45
Type: Poster highlights Poster Area Presentation Number:-3310 |
| Site-specific reirradiation characteristics in the prospective ESTRO-EORTC E2-RADIatE ReCare cohort
Jonas Willmann, Switzerland |
Sunday, 17 May 16:30-16:45
Type: Poster highlights Poster Area Presentation Number:-3672 |
| Real-world surveillance patterns in gynaecological cancers: Insights from the Y-ECI EORTC survey
Noelia Sanmamed Salgado, Spain |
Type: Digital Poster Presentation Number: -2428 |
| Real-World Pattern-of-Care Analysis of Liver Reirradiation Among European Organisation for Research and Treatment of Cancer Members (EORTC)
Carolina de la Pinta, Spain |
Type: Digital Poster Presentation Number: -636 |
| Radiotherapy and immunotherapy for unresectable locally advanced non-small cell lung cancer: A systematic review from the Y-ECI ROSC EORTC Group
Jonas Willmann, Switzerland |
Type: Digital Poster Presentation Number: -3039 |
| The Value of Community Engagement in the ESTRO–EORTC OligoCare Project: a quantification of the in-kind contributions
Davide Cusumano, Italy |
Type: Digital Poster Presentation Number:-2993 |
| Phase I EORTC module development for keratinocyte carcinoma: patients and healthcare professionals survey
Agata Rembielak, United Kingdom |
Type: Digital Poster Presentation Number: -3780 |
| GTV-based prescription in lung SBRT: Tumour dose consistency and local control in a single-institution interim analysis
Volha Hertsyk, Belgium |
Type: Digital Poster Presentation Number: -4179 |
| GTV dose robustness Across Respiratory Phases in Lung SBRT with GTV-based prescription: a subset of ongoing multicohort investigation
Volha Hertsyk, Belgium |
Type: Digital Poster Presentation Number: -3848 |
| Health-related quality of life of people with metastatic or recurrent / persistent anal cancer receiving radical chemoradiotherapy
Vassilios Vassiliou, Cyprus |
Type: Digital Poster Presentation Number: -3848 |
SESSIONS |
|
|
Joint ESTRO-EORTC - Designing radiotherapy trials for the future generation Joost Verhoeff, The Netherlands and Piet Ost, Belgium |
Sunday, 17 May 08:45 - 10:00 Type: Symposium Viktoria |
|
Harmonising OAR definitions in clinical trials for adults and children Sarah Kelly, Belgium |
Monday, 18 May 15:15 - 15:33 Type: Symposium T1 Presentation Number: -5361 |
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