On May 29th, 2020, M. Machiels defended her PhD thesis entitled ‘Optimising target volume definition and treatment accuracy in oesophageal cancer‘. The research was carried out at the Amsterdam UMC, location AMC under supervision of promotor prof. C.R.N. Rasch, MD, PhD, with dr. M.C.C.M. Hulshof, MD, PhD and Mrs. T. Alderliesten, PhD as co-promoters. Important findings are listed below. Full thesis is available at:

(BELG J MED ONCOL 2021;15(2):83-6)