PO-0958: Anatomical Changes in Oesophageal Cancer Patients: Posterior Beam IMPT is More Robust Than IMRT

ConclusionOur novel patient set-up for SBRT gynecological boost appears to be stable and accurate.Preliminary results show that re-calculation of actual delivered doses using non-rigid deformation is achievable.Larger number of CBCT images and more patients will be used for further analysis.