OC-0178: Optimal timing for tumor response assessment to nCRT with MRI in patients with esophageal cancer. (April 2018) - Borggreve, A.S.; Heethuis, S.E.; Goense, L.; Van Rossum, P.S.N.; Van Lier, A.L.H.M.W.; Van Hillegersberg, R.; Ruurda, J.P.; Lagendijk, J.J.W.; Mook, S.; Meijer, G.J.