ESTRO 2023 | Carbon footprint of the one week ultra hypofractionated breast radiotherapy workflow

Sofia Rivera, MD, PhD, Gustave Roussy, Villejuif, France, shares an overview of a study aimed to assess the carbon footprint of a one-week breast radiotherapy (RT) workflow and estimate the environmental benefits of ultra-hypofractionated (HF) RT compared to moderately HF or normofractionated (NF) RT. The findings revealed that travel emissions had the most significant impact on the carbon footprint, with a mean of 67 kg eq CO2 per patient for the entire one-week RT. Reducing the number of fractions to five (ultra HF) could potentially reduce the carbon footprint by a factor of five compared to NF RT. Implementing ultra HF breast RT could lead to a substantial reduction in carbon emissions while maintaining efficacy and safety. This interview took place at the ESTRO congress in Vienna, Austria.

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