Optimising patient positioning for accelerated partial breast radiotherapy with the Integrated Magnetic Resonance Linear Accelerator

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The aim of this study is to compare the benefits and limitations of different positioning options for early breast cancer patients who are suitable for partial breast treatment on the Magnetic Resonance integrated Linac. Who is it for? You may be eligible for this study if you are a female age 40 or older, with early stage breast cancer and suitable for accelerated partial breast radiotherapy. Study details Participants will receive both a supine (on your back) and prone (on your tummy) scan in the MRI and a CT scan in the ideal treatment position (supine OR prone) as per our usual standard of care. Participants will then be asked to complete a short (10-15 mins) anonymous survey on an electronic platform to ask about their experience of the MRI scan and whether they have a preference for the supine or prone position. There are no changes to standard treatments for participants. It is hoped that the findings from this study will streamline the simulation process for APBI patients and help us to determine who would benefit from which position without needing to complete both scans. It is also hoped that this information can be used across our other treatment machines to benefit patients who may not be able to have an MRI scan to work out the best position for them.