EP-2028: Quantifying intra-fraction motion in esophageal tumors throughout nCRT based on cine-MRI. (April 2018) - Heethuis, S.E.; Borggreve, A.S.; Goense, L.; Van Rossum, P.S.N.; Mook, S.; Van Hillegersberg, R.; Ruurda, J.P.; Meijer, G.J.; Lagendijk, J.J.W.; Van Lier, A.L.H.M.W.