ESTRO 2021 Abstract Book


ESTRO 2021

collaborative networking is formulated, this approach raises some additional questions on radiation oncology due to the concentration of most of the equipment in tertiary hospitals. Radiation oncology should discuss the role they should play in this dynamic environment in which MDTs are increasingly interconnected with the larger health ecosystem (beyond the hospital setting). The need for radiation oncologists to work within the MDTs in a network to coordinate the journey of the patients through different providers and levels of care, or the need to consult expert professionals from other institutions, is a reality to be faced while preserving the involvement of all medical specialties in the therapeutic decision-making process. Finally, a third point to be discussed in the presentation will be the impact of information and communication technologies (ICTs) in MDTs work. COVID pandemic has had as a major consequence the acceleration of ICTs in daily clinical practice (e.g. through teleconsultations) and the use of hypofractionated schemes, which raises the question of how innovations are disseminated and adopted across healthcare services.

Teaching lecture: The microbiome: Its role in cancer development and treatment response

SP-0004 The microbiome: Its role in cancer development and treatment response A.Facciabene USA

Abstract not available

Teaching lecture: Breast reconstruction and radiotherapy

SP-0005 Breast reconstruction and radiotherapy O. Kaidar-Person 1 1 Sheba Medical Center, Oncology, Ramat Gan, Israel

Abstract Text Radiation therapy (RT) is an important treatment modality for non-metastatic breast cancer. Radiation therapy in general, and for breast cancer specifically, evolved significantly over the past years. This follows improvements in technology, imaging, and great efforts of different researchers aiming to improve the therapeutic value of RT, and the quality of life of our patients. Nowadays, the selection of target volumes in case of non-metastatic disease, whether concerning the intact breast (in case of breast conservation surgery) or postmastectomy RT, with or without the regional lymph nodes, depends on individual patient-surgical and disease-related features. In parallel, the surgical techniques for mastectomy and breast reconstruction advanced significantly and often allow for immediate breast reconstruction (IBR). For many years, IBR was not done in cases that were planned for postmastectomy RT. However, due to many reasons, more patients that are now undergoing these procedures are candidates for RT. Therefore, radiation oncologists should aspire to adapt the RT planning volumes and fractionation to reduce the potential toxicity that is associated with RT in the setting of IBR, without compromising oncological outcomes. In the past few years, the ESTRO breast course faculty collaborated with international breast experts, to improve the outcomes of patients who undergo mastectomy and breast reconstruction, resulting in a number of published papers, guidelines and ongoing studies. In this current talk, I will focus on daily clinic work and challenges of treating patients after mastectomy and IBR, present the work done by our team, provide evidence to support our approach and discuss future research that is required in this field.

Teaching lecture: Neurocognitive changes following radiotherapy for primary brain tumours

SP-0006 Evaluation and care of neurocognitive effects after radiotherapy M. Klein The Netherlands

Abstract not available

SP-0007 Imaging biomarkers of dose-induced damage to critical memory regions A. Laprie France

Abstract not available

Teaching lecture: Independent dose calculation and pre-treatment patient specific QA

SP-0008 Independent dose calculation and pre-treatment patient specific QA P- Carrasco de Fez Spain

Abstract not available

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